Science

Appendix A: Countries Participating in TIMSS 2015 and Earlier TIMSS Assessments

  • A.1 Countries Participating in TIMSS 2015 and in Earlier TIMSS Assessments (PDF, XLS)

Appendix B: Characteristics of the Items in the TIMSS 2015 Science Assessment

  • B.1 Distribution of Items Included in the Assessment by Content Domain, Cognitive Domain, and Item Format, Fourth Grade (PDF, XLS)
  • B.2 Distribution of Items Included in the Assessment by Content Domain, Cognitive Domain, and Item Format, Eighth Grade (PDF, XLS)

Appendix C: Population Coverage and Sample Participation Rates

  • C.1 Coverage of TIMSS 2015 Target Population, Fourth Grade (PDF, XLS)
  • C.2 Coverage of TIMSS 2015 Target Population, Eighth Grade (PDF, XLS)
  • C.3 School Sample Sizes, Fourth Grade (PDF, XLS)
  • C.4 School Sample Sizes, Eighth Grade (PDF, XLS)
  • C.5 Student Sample Sizes, Fourth Grade (PDF, XLS)
  • C.6 Student Sample Sizes, Eighth Grade (PDF, XLS)
  • C.7 Participation Rates (Weighted), Fourth Grade (PDF, XLS)
  • C.8 Participation Rates (Weighted), Eighth Grade (PDF, XLS)
  • C.9 Trends in Student Populations, Fourth Grade (PDF, XLS)
  • C.10 Trends in Student Populations, Eighth Grade (PDF, XLS)

Appendix D: Percentage of Students with Achievement Too Low for Estimation

  • D.1 Percentages of Students With Achievement Too Low for Estimation, Fourth Grade (PDF, XLS)
  • D.2 Percentages of Students With Achievement Too Low for Estimation, Eighth Grade (PDF, XLS)

Appendix E: Average Percent Correct in the Science Content and Cognitive Domains

  • E.1 Average Percent Correct in the Science Content and Cognitive Domains, Fourth Grade (PDF, XLS)
  • E.2 Average Percent Correct in the Science Content and Cognitive Domains, Eighth Grade (PDF, XLS)

Appendix F: The Test-Curriculum Matching Analysis–Science (PDF, XLS)

Appendix G: Percentiles and Standard Deviations of Science Achievement

  • G.1 Percentiles of Science Achievement, Fourth Grade (PDF, XLS)
  • G.2 Percentiles of Science Achievement, Eighth Grade (PDF, XLS)
  • G.3 Standard Deviations of Science Achievement, Fourth Grade (PDF, XLS)
  • G.4 Standard Deviations of Science Achievement, Eighth Grade (PDF, XLS)

Appendix H: Organizations and Individuals Responsible for TIMSS 2015 (PDF)