Title page
Contents
Overview 1
Intervention Information 3
Research Summary 4
Effectiveness Summary 6
References 9
Appendix A.1: Research details for Cowan and Goldhaber (2016) 21
Appendix A.2: Research details for Fisher and Dickenson (2005) 22
Appendix A.3: Research details for Gardner (2010) 23
Appendix A.4: Research details for Silver (2007) 24
Appendix A.5: Research details for Stephens (2003) 25
Appendix B: Outcome measures for each domain 27
Appendix C.1: Findings included in the rating for the mathematics achievement domain 28
Appendix C.2: Findings included in the rating for the English language arts achievement domain 29
Appendix D.1a: Supplemental findings for the mathematics achievement domain, elementary grades 31
Appendix D.1b: Description of supplemental findings for the mathematics achievement domain, middle school grades 32
Appendix D.1c: Description of supplemental findings for the mathematics achievement domain, by free/reduced-price lunch (FRPL) eligibility in grades 4-8 33
Appendix D.2a: Description of supplemental findings for the English language arts achievement domain, elementary grades 34
Appendix D.2b: Description of supplemental findings for the English language arts achievement domain, middle school grades 35
Appendix D.2c: Description of supplemental findings for the English language arts achievement domain, by free/reduced-price lunch (FRPL) eligibility in grades 4-8 37
Recommended Citation 39
WWC Rating Criteria 40
Glossary of Terms 41
Table 1. Summary of findings 2
Table 2. Scope of reviewed research 4
Table 3. Rating of effectiveness and extent of evidence for the mathematics achievement domain 6
Table 4. Rating of effectiveness and extent of evidence for the English language arts achievement domain 7
Table A1. Summary of findings Meets WWC Group Design Standards With Reservations 21
Table A2. Summary of findings Meets WWC Group Design Standards With Reservations 22
Table A3. Summary of findings Meets WWC Group Design Standards With Reservations 23
Table A4. Summary of findings Meets WWC Group Design Standards With Reservations 24
Table A5. Summary of findings Meets WWC Group Design Standards With Reservations 25