Evidence-Based Efficacy Research and Results - Reading Plus https://www.readingplus.com/efficacies/ Change the Way Students Read Wed, 04 Jun 2025 22:59:56 +0000 en-US hourly 1 https://wordpress.org/?v=6.8.3 https://www.readingplus.com/wp-content/uploads/2022/12/DB-Product-Logos_20221129_Reading-Plus_Horizontal-1-150x150.png Evidence-Based Efficacy Research and Results - Reading Plus https://www.readingplus.com/efficacies/ 32 32 The Interaction of Silent Reading Rate, Academic Vocabulary, and Comprehension Among Students in Grades 2–12 https://www.readingplus.com/efficacy/the-interaction-of-silent-reading-rate-academic-vocabulary-and-comprehension-among-students-in-grades-2-12/ Mon, 03 Jan 2022 16:30:00 +0000 https://dev-www-readingplus-com.pantheonsite.io/?post_type=efficacy&p=3255 Abstract originally posted by International Literacy Association Abstract “This study examined silent reading rates (SRRs) in relation to students’ estimated academic vocabulary grade levels (EVGLs) and comprehension accuracy (Comprehension Items Correct; compIC). Analyses were based on data from 288,934 students in grades 2-12 who completed an adaptive silent reading assessment that yielded measures of the...

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Abstract originally posted by International Literacy Association

Abstract

“This study examined silent reading rates (SRRs) in relation to students’ estimated academic vocabulary grade levels (EVGLs) and comprehension accuracy (Comprehension Items Correct; compIC). Analyses were based on data from 288,934 students in grades 2-12 who completed an adaptive silent reading assessment that yielded measures of the three variables of interest. Silent reading rate was measured while students read five 150- to 300-word passages. Each student’s initial passage difficulty was aligned with their EVGL. Each passage was followed by five comprehension questions, such that in total, students could answer up to 25 comprehension items correctly. Two-level Multilevel Models (MLMs) were fitted to evaluate SRR in relation to EVGL, compIC, and their interactions. The final MLM included the random intercept and three random slopes for the two level-1 predictors (school-mean-centered EVGL as the focal predictor and school-mean-centered compIC as the moderator) and their interactions. Results indicated that: (a) the fixed effect of higher EVGL on SRR was positive and significant, (b) the fixed effect of higher compIC on SRR was negative and significant, and (c) there was a significant interaction indicating that the relationship between school-mean-centered EVGL and SRR grew stronger as school-mean-centered compIC increased. These results suggest that vocabulary knowledge and SRR increase in concert among students with good comprehension, whereas SRRs measured in the absence of good comprehension are less meaningful and may indicate inadequate skills or insufficient motivation to fully comprehend what is being read.”

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SPED National Results 2018-2019 School Year https://www.readingplus.com/efficacy/sped-national-results-2018-2019-school-year/ Sat, 04 Jan 2020 21:58:00 +0000 https://dev-www-readingplus-com.pantheonsite.io/?post_type=efficacy&p=636 Summary of Findings: Across all grade groups, students in special education who completed 120+ Reading Plus lessons (about 50+ hours) during the school year achieved significantly larger reading proficiency gains than students who did not engage in Reading Plus instruction. These results show that students in all tier groups who engaged in the recommended amount...

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Summary of Findings:

Across all grade groups, students in special education who completed 120+ Reading Plus lessons (about 50+ hours) during the school year achieved significantly larger reading proficiency gains than students who did not engage in Reading Plus instruction.

These results show that students in all tier groups who engaged in the recommended amount of Reading Plus instruction over the course of the 2018-2019 school year significantly increased their capacity to comprehend increasingly complex texts, developed their capacity to understand higher levels of general academic vocabulary, and improved their reading efficiency. Students who completed more Reading Plus lessons achieved significantly larger gains than their peers who engaged in little or no Reading Plus practice. The results also showed that students who engaged in more Reading Plus instruction developed more reading confidence and increased their interest in reading. This in turn increases the likelihood that they will continue to use reading as a means to expand their knowledge, to be entertained, and to seek inspiration.

Study Design:

This report describes the progress achieved by Reading Plus students who received special education services while enrolled in grades 2 through 12 during the 2018-2019 school year. Data are reported for all students who completed the Reading Plus InSight silent reading assessment on at least two occasions, once near the start of the school year and again during the spring, so that growth over the school year was measured.

Students Excluded
Students for whom valid reading rates could not be calculated.

Distribution of Students

  • Elementary School (ES, Grades 2 through 5) n=899
  • Middle School (MS, Grades 6 through 8) n=3,274
  • High School (HS, Grades 9 through 12) n=3,655

Key Results:

Among students enrolled in special education, Reading Plus instruction generally had a positive effect on students’ self-reported reading interest and reading confidence (self-efficacy). Previous research has found that reading motivation and reading success are closely linked.

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Reading Proficiency Growth National Results for the 2018-2019 School Year https://www.readingplus.com/efficacy/reading-proficiency-growth-national-results-for-the-2018-2019-school-year/ Thu, 09 Jan 2020 20:32:00 +0000 https://dev-www-readingplus-com.pantheonsite.io/?post_type=efficacy&p=693 Summary of Findings: This study reviewed the reading proficiency growth achieved by Reading Plus students in grades 2 through 12 during the 2018-2019 school year. The study focused on students who completed the InSight silent reading assessment on at least two occasions, once near the start of the school year and again during the spring,...

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Summary of Findings:

This study reviewed the reading proficiency growth achieved by Reading Plus students in grades 2 through 12 during the 2018-2019 school year. The study focused on students who completed the InSight silent reading assessment on at least two occasions, once near the start of the school year and again during the spring, so that growth over the school year could be measured.

Study Design:

Included in the study were students (n = 259,140) who completed the InSight assessment in the fall of 2018 and spring of 2019. Among these were 46,007 elementary (grades 2 through 5), 133,543 middle (grades 6 through 8), and 79,590 high school (grades 9 through 12) students.

Reading proficiency growth was evaluated in relation to the amount of Reading Plus practice students completed. Within each grade group (elementary, middle, and high school), reading proficiency growth was also evaluated separately for each Reading Proficiency Tier group:

  • Tier I – Students with Fall 2018 Reading Proficiency Index scores at/above grade level (recommended Reading Plus instruction: 20 hours)
  • Tier II – elementary and middle school students with Fall 2018 Reading Proficiency Index scores 1-2 grade levels below grade level, and high school students reading at a middle school level (recommended Reading Plus instruction: 40 hours)
  • Tier III – elementary and middle school students with Fall 2018 Reading Proficiency Index scores 3 or more grade levels below grade level, and high school students reading at an elementary school level (recommended Reading Plus instruction: 60 hours)

Key Results:

Across all grade groups and Reading Proficiency Tier groups, students who engaged in more Reading Plus instruction during the school year achieved reading proficiency gains that were significantly larger than those achieved by students who completed fewer or no lessons. The results also showed that students who engaged in more Reading Plus instruction developed more reading confidence and increased their interest in reading.

This study reviewed the reading proficiency growth achieved by Reading Plus students in grades 2 through 12 during the 2018-2019 school year. The study focused on students who completed the InSight silent reading assessment on at least two occasions, once near the start of the school year and again during the spring, so that growth over the school year could be measured.

Study Design:

Included in the study were students (n = 259,140) who completed the InSight assessment in the fall of 2018 and spring of 2019. Among these were 46,007 elementary (grades 2 through 5), 133,543 middle (grades 6 through 8), and 79,590 high school (grades 9 through 12) students.

Reading proficiency growth was evaluated in relation to the amount of Reading Plus practice students completed. Within each grade group (elementary, middle, and high school), reading proficiency growth was also evaluated separately for each Reading Proficiency Tier group:

  • Tier I – Students with Fall 2018 Reading Proficiency Index scores at/above grade level (recommended Reading Plus instruction: 20 hours)
  • Tier II – elementary and middle school students with Fall 2018 Reading Proficiency Index scores 1-2 grade levels below grade level, and high school students reading at a middle school level (recommended Reading Plus instruction: 40 hours)
  • Tier III – elementary and middle school students with Fall 2018 Reading Proficiency Index scores 3 or more grade levels below grade level, and high school students reading at an elementary school level (recommended Reading Plus instruction: 60 hours)

Key Results:

Across all grade groups and Reading Proficiency Tier groups, students who engaged in more Reading Plus instruction during the school year achieved reading proficiency gains that were significantly larger than those achieved by students who completed fewer or no lessons. The results also showed that students who engaged in more Reading Plus instruction developed more reading confidence and increased their interest in reading.

Elementary Results
Middle School Results
High School Results

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Middle School National Results 2018-2019 School Year https://www.readingplus.com/efficacy/middle-school-national-results-2018-2019-school-year/ Sun, 02 Feb 2020 23:06:00 +0000 https://dev-www-readingplus-com.pantheonsite.io/?post_type=efficacy&p=647 Summary of Findings: Across all tier groups, students who completed the recommended amount of Reading Plus instruction during the school year achieved significantly larger proficiency gains than students who did not engage in Reading Plus instruction. These results show that students in all tier groups who engaged in the recommended amount of Reading Plus instruction...

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Summary of Findings:

Across all tier groups, students who completed the recommended amount of Reading Plus instruction during the school year achieved significantly larger proficiency gains than students who did not engage in Reading Plus instruction.

These results show that students in all tier groups who engaged in the recommended amount of Reading Plus instruction over the course of the 2018-2019 school year significantly increased their capacity to comprehend increasingly complex texts, developed their capacity to understand higher levels of general academic vocabulary, and improved their reading efficiency. Students who completed more Reading Plus lessons achieved significantly larger gains than their peers who engaged in little or no Reading Plus practice. The results also showed that students who engaged in more Reading Plus instruction developed more reading confidence and increased their interest in reading. This in turn increases the likelihood that they will continue to use reading as a means to expand their knowledge, to be entertained, and to seek inspiration.

Study Design:

This report describes the progress achieved by Reading Plus students who were enrolled in grades 6 through 8 during the 2018-2019 school year. The focus is on students who completed the Reading Plus InSight silent reading assessment on at least two occasions, once near the start of the school year and again during the spring, so that growth over the school year was measured. Students were divided into three tier groups based on their performance on the initial assessment.

Students Excluded

Students for whom valid reading rates could not be calculated.

Tier Groups

  • Tier 1 – Fall 2018 Reading Proficiency Index scores were at/above students’ grade level > Recommended Reading Plus Instruction: 20 hours (~50 lessons)
  • Tier 2 – Fall 2018 Reading Proficiency Index scores were below the student’s grade level but less than three grades below. > Recommended Reading Plus Instruction: 40 hours (~100 lessons)
  • Tier 3 – Fall 2018 Reading Proficiency Index scores were three or more grade levels below the students’ grade level > Recommended Reading Plus Instruction: 60 hours (~150 lessons)

Key Results:

Among students with below grade level reading proficiency, Reading Plus practice had a significantly positive effect on middle school students’ self-reported reading interest and reading confidence (self-efficacy). Previous research has shown that reading motivation and reading success are closely linked.

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All Tier National Results: 2018-2019 School Year https://www.readingplus.com/efficacy/all-tier-national-results-2018-2019-school-year/ Mon, 03 Feb 2020 22:33:00 +0000 https://dev-www-readingplus-com.pantheonsite.io/?post_type=efficacy&p=1796 Summary of Findings: This report describes the reading progress achieved by Reading Plus students who were enrolled in grades 2 through 12 during the 2018-2019 school year. The focus of the report is on students who completed the Reading Plus InSight silent reading assessment on at least two occasions, once near the start of the...

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Summary of Findings:

This report describes the reading progress achieved by Reading Plus students who were enrolled in grades 2 through 12 during the 2018-2019 school year. The focus of the report is on students who completed the Reading Plus InSight silent reading assessment on at least two occasions, once near the start of the school year and again during the spring, so that growth over the school year could be measured.

Key Results:

The results of this study show that students in all grade levels who engaged in Reading Plus instruction over the course of the 2018-2019 school year significantly increased their capacity to comprehend increasingly complex texts, developed their capacity to understand higher levels of general academic vocabulary, and improved their reading efficiency. Students who completed more Reading Plus lessons achieved significantly larger gains than their peers who engaged in little or no Reading Plus practice. The results also show that the students who engaged in more Reading Plus instruction developed more reading confidence and increased their interest in reading. This in turn increases the likelihood that they will continue to use reading as a means to expand their knowledge, to be entertained, and to seek inspiration.

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High School National Results 2018-2019 School Year https://www.readingplus.com/efficacy/high-school-national-results-2018-2019-school-year/ Mon, 02 Mar 2020 22:07:00 +0000 https://dev-www-readingplus-com.pantheonsite.io/?post_type=efficacy&p=628 Purpose of Study: This report describes the progress achieved by Reading Plus students who were enrolled in grades 9 through 12 during the 2018-2019 school year. The focus is on students who completed the Reading Plus InSight silent reading assessment on at least two occasions, once near the start of the school year and again...

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Purpose of Study:

This report describes the progress achieved by Reading Plus students who were enrolled in grades 9 through 12 during the 2018-2019 school year. The focus is on students who completed the Reading Plus InSight silent reading assessment on at least two occasions, once near the start of the school year and again during the spring, so that growth over the school year was measured. Students were divided into three tier groups based on their performance on the initial assessment (see full report for more details).

Key Results:

These results show that students in all tier groups who engaged in the recommended amount of Reading Plus instruction over the course of the 2018- 2019 school year significantly increased their capacity to comprehend increasingly complex texts, developed their capacity to understand higher levels of general academic vocabulary, and improved their reading efficiency. Students who completed more Reading Plus lessons achieved significantly larger gains than their peers who engaged in little or no Reading Plus practice. The results also showed that students who engaged in more Reading Plus instruction developed more reading confidence and increased their interest in reading. This in turn increases the likelihood that they will continue to use reading as a means to expand their knowledge, to be entertained, and to seek inspiration.

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National Proficiency Gains 2018-2019 School Year https://www.readingplus.com/efficacy/national-proficiency-gains-2018-2019-school-year/ Wed, 04 Mar 2020 15:09:00 +0000 https://dev-www-readingplus-com.pantheonsite.io/?post_type=efficacy&p=588 Purpose of Study: This report describes the reading progress achieved by Reading Plus students who were enrolled in grades 2 through 12 during the 2018-2019 school year. Key Results: The results of this study show that students in all grade levels who engaged in Reading Plus instruction over the course of the 2018-2019 school year...

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Purpose of Study:

This report describes the reading progress achieved by Reading Plus students who were enrolled in grades 2 through 12 during the 2018-2019 school year.

Key Results:

The results of this study show that students in all grade levels who engaged in Reading Plus instruction over the course of the 2018-2019 school year significantly increased their capacity to comprehend increasingly complex texts, developed their capacity to understand higher levels of general academic vocabulary, and improved their reading efficiency. Students who completed more Reading Plus lessons achieved significantly larger gains than their peers who engaged in little or no Reading Plus practice. The results also show that the students who engaged in more Reading Plus instruction developed more reading confidence and increased their interest in reading. This in turn increases the likelihood that they will continue to use reading as a means to expand their knowledge, to be entertained, and to seek inspiration.

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ELL National Results 2018-2019 School Year https://www.readingplus.com/efficacy/ell-national-results-2019-2020-school-year-2/ Thu, 02 Apr 2020 21:24:00 +0000 https://dev-www-readingplus-com.pantheonsite.io/?post_type=efficacy&p=637 Purpose of Study: This report describes the progress achieved by English language learners who used Reading Plus while enrolled in grades 2 through 12 during the 2018-2019 school year. Data are reported for all English language learners who completed the Reading Plus InSight silent reading assessment on at least two occasions, once near the start...

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Purpose of Study:

This report describes the progress achieved by English language learners who used Reading Plus while enrolled in grades 2 through 12 during the 2018-2019 school year. Data are reported for all English language learners who completed the Reading Plus InSight silent reading assessment on at least two occasions, once near the start of the school year and again during the spring, so that growth over the school year was measured.

Key Results:

These results show that English language learners who engaged in Reading Plus instruction over the course of the 2018-2019 school year significantly increased their capacity to comprehend increasingly complex texts, developed their capacity to understand higher levels of general academic vocabulary, and improved their reading efficiency. Students who completed more Reading Plus practice achieved significantly larger gains than their peers who engaged in little or no Reading Plus instruction. These results replicate previous studies documenting the effectiveness of using Reading Plus with English language learners. These results also show that students who engaged in Reading Plus instruction generally developed more reading confidence and increased their interest in reading. This in turn increases the likelihood that they will continue to use reading as a means to expand their knowledge, to be entertained, and to seek inspiration.

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Elementary School National Results 2018-2019 School Year https://www.readingplus.com/efficacy/elementary-school-national-results-2018-2019-school-year/ Thu, 02 Apr 2020 21:52:00 +0000 https://dev-www-readingplus-com.pantheonsite.io/?post_type=efficacy&p=641 Summary of Findings: Reading Plus Students Achieved Significantly Larger Gains Across all tier groups, students who completed the recommended amount of Reading Plus instruction during the school year achieved significantly larger proficiency gains than students who did not engage in Reading Plus instruction. These results show that students in all tier groups who engaged in...

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Summary of Findings:

Reading Plus Students Achieved Significantly Larger Gains Across all tier groups, students who completed the recommended amount of Reading Plus instruction during the school year achieved significantly larger proficiency gains than students who did not engage in Reading Plus instruction.

These results show that students in all tier groups who engaged in the recommended amount of Reading Plus instruction over the course of the 2018-2019 school year significantly increased their capacity to comprehend increasingly complex texts, developed their capacity to understand higher levels of general academic vocabulary, and improved their reading efficiency. Students who completed more Reading Plus lessons achieved significantly larger gains than their peers who engaged in little or no Reading Plus practice. The results also showed that students who engaged in more Reading Plus instruction developed more reading confidence and increased their interest in reading. This in turn increases the likelihood that they will continue to use reading as a means to expand their knowledge, to be entertained, and to seek inspiration.

Study Design:

This report describes the progress achieved by Reading Plus students who were enrolled in grades 2 through 5 during the 2018-2019 school year. The focus is on students who completed the Reading Plus InSight silent reading assessment on at least two occasions, once near the start of the school year and again during the spring, so that growth over the school year was measured. Students were divided into three tier groups based on their performance on the initial assessment.

Students Excluded

Students for whom valid reading rates could not be calculated.

Tier Groups

  • Tier 1 – Fall 2018 Reading Proficiency Index scores were at/above students’ grade level > Recommended Reading Plus Instruction: 20 hours (~50 lessons)
  • Tier 2 – Fall 2018 Reading Proficiency Index scores were below the student’s grade level but less than three grades below. > Recommended Reading Plus Instruction: 40 hours (~100 lessons)
  • Tier 3 – Fall 2018 Reading Proficiency Index scores were three or more grade levels below the students’ grade level > Recommended Reading Plus Instruction: 60 hours (~150 lessons)

Key Results:

Across all tier groups, Reading Plus practice had a significantly positive effect on students’ self-reported reading interest. Differences in reading self-confidence (self-efficacy) were not significant, most likely because most elementary school students were near the top of the confidence scale to begin with. Changes in reading motivation are shown in Figure 5. Previous research has shown that reading motivation and reading success are closely linked.

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Students Receiving Subsidized School Lunch Achieved Significant Reading Proficiency Growth https://www.readingplus.com/efficacy/reading-plus-students-receiving-subsidized-school-lunch-achieved-significant-reading-proficiency-growth/ Mon, 11 May 2020 13:05:00 +0000 https://dev-www-readingplus-com.pantheonsite.io/?post_type=efficacy&p=356 Purpose of Study: This report describes the progress achieved by Reading Plus students in grades 2 through 12 who received free or reduced-price meals at school through the National School Lunch Program (NSLP) during the 2018-2019 school year. These are students from households with incomes at or below 18.5 percent of the poverty line. Data...

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Purpose of Study:

This report describes the progress achieved by Reading Plus students in grades 2 through 12 who received free or reduced-price meals at school through the National School Lunch Program (NSLP) during the 2018-2019 school year. These are students from households with incomes at or below 18.5 percent of the poverty line. Data are reported for all students in this category who completed the InSight silent reading assessment on at least two occasions, once near the start of the school year and again during the spring, so that growth over the school year was measured.

Study Design:

These results show that students receiving free or reduced-price meals at school who engaged in Reading Plus instruction over the course of the 2018-2019 school year significantly increased their capacity to comprehend more complex texts, developed their capacity to understand higher levels of general academic vocabulary, and improved their reading efficiency. Students who completed more Reading Plus practice achieved larger gains than their peers who engaged in little or no Reading Plus instruction. These results replicate previous studies documenting the effectiveness of using Reading Plus with lower-income students. These results also show that students who engaged in more Reading Plus instruction generally increased their reading confidence and their interest in reading.

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Elementary School National Results 2019-2020 School Year https://www.readingplus.com/efficacy/elementary-school-students-across-all-tier-groups-achieved-significant-reading-proficiency-gains/ Mon, 29 Jun 2020 15:45:00 +0000 https://dev-www-readingplus-com.pantheonsite.io/?post_type=efficacy&p=570 Summary of Findings: Across all tier groups, students who completed the recommended amount of Reading Plus instruction during the school year achieved significantly larger proficiency gains than students who did not engage in Reading Plus instruction. These results show that students in all tier groups who engaged in the recommended amount of Reading Plus instruction...

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Summary of Findings:

Across all tier groups, students who completed the recommended amount of Reading Plus instruction during the school year achieved significantly larger proficiency gains than students who did not engage in Reading Plus instruction.

These results show that students in all tier groups who engaged in the recommended amount of Reading Plus instruction over the course of the 2019-2020 school year significantly increased their capacity to comprehend increasingly complex texts, developed their capacity to understand higher levels of general academic vocabulary, and improved their reading efficiency. Students who completed more Reading Plus lessons achieved significantly larger gains than their peers who engaged in little or no Reading Plus practice. The results also showed that students who engaged in more Reading Plus instruction developed more reading confidence and increased their interest in reading. This in turn increases the likelihood that they will continue to use reading as a means to expand their knowledge, to be entertained, and to seek inspiration.

Study Design:

This report describes the progress achieved by Reading Plus students who were enrolled in grades 2 through 5 during the 2019-2020 school year. The focus is on students who completed the InSight silent reading assessment on at least two occasions, once near the start of the school year and again during the spring, so that growth over the school year was measured. Students were divided into three tier groups based on their performance on the initial assessment.

Students Excluded

Students for whom valid reading rates could not be calculated.

Tier Groups

  • Tier 1 – Fall 2019 Reading Proficiency Index scores were at/above students’ grade level > Recommended Reading Plus Instruction: 20 hours
  • Tier 2 – Fall 2019 Reading Proficiency Index scores were below the student’s grade level but less than three grades below. > Recommended Reading Plus Instruction: 40 hours
  • Tier 3 – Fall 2019 Reading Proficiency Index scores were three or more grade levels below the students’ grade level > Recommended Reading Plus Instruction: 60 hours

Analyses assume 2.5 SeeReader lessons per hour

Key Results:

Across all tier groups, Reading Plus practice had a significantly positive effect on students’ self-reported reading interest. Differences in reading self-confidence (self-efficacy) were not significant, most likely because most elementary school students were near the top of the confidence scale to being with. Previous research has shown that reading motivation and reading success are closely linked.

The post Elementary School National Results 2019-2020 School Year appeared first on Reading Plus.

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Middle School National Results 2019-2020 School Year https://www.readingplus.com/efficacy/impact-of-reading-plus-on-reading-proficiency-growth-national-results-for-the-2019-2020-school-year/ Thu, 09 Jul 2020 19:36:00 +0000 https://dev-www-readingplus-com.pantheonsite.io/?post_type=efficacy&p=572 Summary of Findings: Across all tier groups, students who completed the recommended amount of Reading Plus instruction during the school year achieved significantly larger proficiency gains than students who did not engage in Reading Plus instruction. These results show that students in all tier groups who engaged in the recommended amount of Reading Plus instruction...

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Summary of Findings:

Across all tier groups, students who completed the recommended amount of Reading Plus instruction during the school year achieved significantly larger proficiency gains than students who did not engage in Reading Plus instruction.

These results show that students in all tier groups who engaged in the recommended amount of Reading Plus instruction over the course of the 2019-2020 school year significantly increased their capacity to comprehend increasingly complex texts, developed their capacity to understand higher levels of general academic vocabulary, and improved their reading efficiency. Students who completed more Reading Plus lessons achieved significantly larger gains than their peers who engaged in little or no Reading Plus practice. The results also show that students who were below grade level and engaged in more Reading Plus instruction increased their reading confidence and interest in reading. This in turn increases the likelihood that they will continue to use reading as a means to expand their knowledge, to be entertained, and to seek inspiration.

Study Design:

This report describes the progress achieved by Reading Plus students who were enrolled in grades 6 through 8 during the 2019-2020 school year. The focus is on students who completed the InSight silent reading assessment on at least two occasions, once near the start of the school year and again during the spring, so that growth over the school year was measured. Students were divided into three tier groups based on their performance on the initial assessment (refer to “Tier Groups”).

Students Excluded

Students for whom valid reading rates could not be calculated.

Tier Groups

  • Tier 1 – Fall 2019 Reading Proficiency Index scores were at/above students’ grade level > Recommended Reading Plus Instruction: 20 hours
  • Tier 2 – Fall 2019 Reading Proficiency Index scores were below the student’s grade level but less than three grades below > Recommended Reading Plus Instruction: 40 hours
  • Tier 3 – Fall 2019 Reading Proficiency Index scores were three or more grade levels below the students’ grade level > Recommended Reading Plus Instruction: 60 hours

Analyses assumed 2.5 SeeReader lessons per hour.

Key Results:

Across all tier groups, middle school students who engaged in the recommended amount of Reading Plus instruction during the school year increased their reading proficiency levels to a significantly greater extent than did students who completed fewer or no lessons. Research has shown that students who increase their reading proficiency using Reading Plus also report increased levels of reading interest and confidence, a finding that was replicated in this study.

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