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2011 STAR Interpreting and Using Results

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2011 STAR Interpreting and Using Results. August 10, 2011 Webcast Webcast starts at 9:00 a.m. Objectives. Workshop participants will be able to: Describe the purposes of STAR reports Interpret STAR results Explain key statistics Compare and contrast types of reports

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  1. 2011 STARInterpreting and Using Results August 10, 2011 Webcast Webcast starts at 9:00 a.m.

  2. Objectives Workshop participants will be able to: • Describe the purposes of STAR reports • Interpret STAR results • Explain key statistics • Compare and contrast types of reports • Identify proper uses of reports Post-Test Workshop

  3. Agenda • What’s New? • Results and Statistical Analysis • Using Results • Summary and Internet Reports • Data CDs • Individual Student Reports • Early Assessment Program Post-Test Workshop

  4. California Modified Assessment (CMA) reports Scale score, performance levels for ELA grade 9 Life Science, grade 10 Algebra I Percent correct for ELA, grades 10 and 11 Geometry Writing component of grade 4 CST and CMA ELA restored What’s New in 2011 Manual (M) 2 Post-Test Workshop

  5. Quiz Question 1 Which of these tests had scale scores reported for the first time in 2011? • CST for World History • CAPA for Science • CMA for Algebra I • CMA for Geometry Post-Test Workshop

  6. Quiz Question 1 Which of these tests had scale scores reported for the first time in 2011? C. CMA for Algebra I Post-Test Workshop

  7. Results: Purposes of STAR Reports M 3 • Report progress toward proficiency on the state’s academic content standards • Notify where improvement needed • To help students’ achievement • To improve educational programs • Provide data for state and federal accountability programs Post-Test Workshop

  8. Results: Performance Levels M 8−9 • State goal: All students score at proficient or higher • 350 or higher scale score • All CST • CMA for ELA in grades 3–9, math in grades 3–7 and Algebra I, and science in grades 5, 8, and 10 • STS for RLA and math in grades 2–7, excluding Algebra I • CAPA proficient: 35 or higher scale score Post-Test Workshop

  9. Results: Other Performance Levels M 8−9;Appendix B • Advanced • Basic cut score • CST: 300 • CMA: 300 for ELA in grades 3–9, math in grades 3–7, Algebra I, science in grades 5, 8, and 10 • STS: 300 for RLA and math in grades 2–7 (excluding Algebra I) • CAPA: 30 • Below basic • Far below basic • For each testing program, cut pointsvary for advanced and below basic by • Subject • Grade Post-Test Workshop

  10. Results: Scale Scores M 7−11 • Scale scores allow the same score to mean the same thing across test versions within grade and content area • Accounts for differences in difficulty • Scale score ranges by program: • CST, CMA (ELA grades 3–9, mathematics 3–7, Algebra I, science in grades 5, 8, and 10), STS (grades 2–7, excluding Algebra I): 150–600 for each grade and subject • CAPA: 15–60 for each level and subject Post-Test Workshop

  11. Results: Equating M 7 • Psychometric procedure • Adjusts for test difficulty • Additional information in the technical report on the CDE Web site Post-Test Workshop

  12. Results: Reporting Clusters(Content Areas) M 9−11;Appendix A • Three to six clusters for each subject • May be useful as indicators of individual or group strengths and weaknesses • But . . . Reporting clusters should be interpreted with caution Post-Test Workshop

  13. Results: Cluster Percent Correct Available for 2011 M 9−11;Appendix A • CST: all • CMA: • Grades 3–9 ELA, grades 3–7 math, Algebra I, grades 5, 8, and 10 science • STS: all Post-Test Workshop

  14. Results: Reporting ClusterCautions M 9−11;Appendix A • Based on small numbers of items; therefore, may not be reliable or generalizable • NOT equated from year to year • Should not compare reporting cluster percent correct from year to year Post-Test Workshop

  15. Interpreting Reporting Clusters or Content Areas in the Same Year M 8−12;Appendix A • Compare to percent-correct range of proficient students statewide Post-Test Workshop

  16. 2011 CST Reporting Clusters: Number of Questions and Average Percent Correct M Appendix A 2011 Post-Test Guide, Appendices A and C as posted on startest.org will be finalized with complete data on August 15. Post-Test Workshop

  17. Examples—Interpreting Reporting Clusters for the CST for Geometry M 11 Post-Test Workshop

  18. Quiz Question 2 What is a scale score? • Percent correct of all questions • Mean percent correct of all questions • An adjustment of this year’s and last year’s raw scores to show changes • An adjustment of the raw score to account for differences in difficulty Post-Test Workshop

  19. Quiz Question 2 What is a scale score? D. An adjustment of the raw score to account for differences in difficulty Post-Test Workshop

  20. Using Results M 3 • For instructional decisions with other data • Used in Academic Performance Index (API) calculations: CSTs, CAPA, CMA (only grades 3–9, Algebra I, Life Science) • Used in adequate yearly progress (AYP) calculations, ELA and mathematics: • Grades 2–8, CSTs • Grades 3–8 and Algebra I, CMA • Grades 2–8 and 10, CAPA Post-Test Workshop

  21. Year-to-Year ComparisonsDo Compare CSTs:Same Grade and Same Content Area M 12−15 • Mean scale score • Same content and grade, varying years • Percent in each performance level • Same content by grade across years • e.g., 2010 grade 10 ELA with 2011 grade 10 ELA Post-Test Workshop

  22. Year-to-Year ComparisonsDo Compare CSTs:Percent Proficient and Advanced M 12−15 • Percentage of students scoring at PROFICIENT and above • For a given grade and subject, e.g., Percent proficient and above for grade 3 math in 2010 and 2011 • For a given subject and aggregated grades, e.g., Percent proficient and above for grades 2– 6 mathematics in 2010 and 2011 • Across grades and a subject, e.g., Percent proficient and above in all courses and all grades Post-Test Workshop

  23. Year-to-Year ComparisonsDON’T Compare M 12−15 • Individual scale scores or statistics based on scale scores for different grades or content areas • Subjects by grade are independently scaled • Different content standards are measured in different grades • Cohorts across grades • Across tests • CMA grades 9−11, STS grades 8−11 to previous years • CMA grades 6−8, STS grades 5−7, only compare 2011 to 2010 • CAPA, CMA grades 3−5, STS grades 2−4, DON’T compare to years before 2009 Post-Test Workshop

  24. Example—Using CST Results to Compare Grade Results from Year to Year M 14 Post-Test Workshop

  25. Quiz Question 3 What is the best comparison for CST scores of students within a middle school? • 2010 mean scale scores for ELA of a cohort of grade 7 students with 2011 scale scores for ELA of the same students in grade 8 • 2010 mean scale scores for ELA for grade 8 students with 2011 mean scale scores for ELA for grade 8 students • 2010 mean percent correct scores for ELA with 2011 percent correct scores for ELA for the same students in grade 8 • 2010 mean percent correct scores for ELA for grade 8 students with 2011 mean percent correct for ELA for grade 8 students Post-Test Workshop

  26. Quiz Question 3 What is the best comparison for CST scores of students within a middle school? B. 2010 mean scale scores for ELA for grade 8 students with 2011 mean scale scores for ELA for grade 8 students Post-Test Workshop

  27. Quiz Question 4 Which is the best comparison of cluster scores for a single student? Compare . . . • To proficient students statewide • One cluster to another, same year • The same cluster to the same cluster, different years • To the average percent correct of all students in a class Post-Test Workshop

  28. Quiz Question 4 Which is the best comparison of cluster scores for a single student? Compare… • To proficient students statewide Post-Test Workshop

  29. Aggregate (Summary) Reports M 18−22 • What are they? • Student Master List Summary • Student Master List Summary End-of-Course (EOC) • Subgroup Summary • Back of reports: guide to abbreviations, score codes • Report Emphasis: CSTs • Criterion-referenced tests • Progress is measured in percent of students scoring proficient and advanced Post-Test Workshop

  30. Student Master List Summary M 19–20, M 29−35 • By grade or EOC subject • CSTs, CMA, CAPA, and STS • Lists subjects or EOC grades • % and # at each performance level • Mean scale score • CST • CAPA • CMA ELA in grades 3–9, math in grades 3–7, Algebra I, and science in grades 5, 8, and 10 • STS RLA and math in grades 2–7 [not Algebra I]) Post-Test Workshop

  31. Student Master List Summary (cont.) • Reporting cluster: mean percent correct • CST • CMA ELA in grades 3–9, math in grades 3–7, Algebra I, and science in grades 5, 8, and 10 • STS Post-Test Workshop

  32. Student Master List Summary M 35 Grade 7 Example Post-Test Workshop

  33. Student Master List SummaryBasic Statistics M 29−35 Post-Test Workshop

  34. Who Counts? Number Enrolled M 31 • Total CST/CMA and CAPA multiple-choice answer documents submitted as scorable • Minus • Documents marked as “Student enrolled after the first day of testing and was given this test” Post-Test Workshop

  35. Who Counts? Number Tested M 31 • All CST, CMA, CAPA, STS answer documents with one or more answers • Plus • Z = Tested but marked no answers • Not included • A = Students absent • E = Not tested due to significant medical emergency • P = Parent/guardian exemptions • T = Enrolled first day, not tested, tested at previous school • Students with inconsistent grades • Non–English learners who took the STS Post-Test Workshop

  36. Who Counts? Number and Percent Valid Scores M 31 • Number Valid Scores • For the subject, number of students tested at grade level who received a score for the test (that is, a scale score or percent correct) • Percent Valid Scores • For the subject, number of valid scores divided by the number of students tested • Not included: • Incomplete tests • Modified tests • Non–English learners who took the STS • Unknown EOC mathematics (except grade 7 mathematics) or science tests • Inconsistent grades Post-Test Workshop

  37. Who Counts? Number Tested with Scores M 31 • All tests taken, including those taken with modifications, that receive a score • Not included: • Incomplete tests • Non–English learners who took the STS • Unknown EOC mathematics (except grade 7 mathematics) or science tests • Inconsistent grades Post-Test Workshop

  38. Student Master List SummaryPerformance Levels M 32 Post-Test Workshop

  39. Who Counts? Performance Levels M 32 • All CSTs, CAPA • CMA grades 3–9 ELA, grades 2–7 math, Algebra I, and grades 5, 8, and 10 science • STS grades 2–7 RLA and math (excluding Algebra I) • Advanced, proficient, basic, below basic • All valid scores falling in the performance level • Far below basic • All valid scores falling in the performance level • CSTs taken with modifications (in aggregate reporting and accountability only) Post-Test Workshop

  40. Who Counts?Mean Scale Scores M 32 • Average of valid scale scores • Can be used to compare results for the same content/grade across years Post-Test Workshop

  41. Student Master List Summary:Reporting Clusters M 32 Compare to: Average percent correct range for students statewide who scored proficient on the total test(See the Post-Test Guide, Appendix A.) Post-Test Workshop

  42. B = Blank C = Copied prompt I = Illegible L = Language other than English R = Refusal T = Off Topic W = Wrong prompt (prompt from an earlier administration) Student Master List Summary:Writing M 33 Post-Test Workshop

  43. Subgroup Summary:CSTs, CMA, CAPA, and STS M 42−58 • Disability status • Based on disability status for CST, CMA, STS • CAPA: each disability type • Economic status • Based on NSLP eligibility or parent education level • Gender • English proficiency • Ethnicity • Ethnicity for Economic Status (only for CSTs; CMA in grades 3–9 ELA; grades 3–7 math, Algebra I, and grades 5, 8, and 10 science; and CAPA) Post-Test Workshop

  44. Subgroup Summary: Ethnicity for Economic Status M 54 −58 Ethnicity for Economically Disadvantaged CST Grade 6 Example Post-Test Workshop

  45. Subgroup Summary: Ethnicity for Economic Status M 54 −58 Example: Economically disadvantaged for each ethnicity Post-Test Workshop

  46. Subgroup Summary: Ethnicity for Economic Status M 54-58 Post-Test Workshop

  47. Break — 10 minutes

  48. Internet Reports M 101−111 • Summaries based on same data as paper reports: CSTs, CMA, CAPA, STS • Available to the public online for school, district, county, and state • “Students with Scores” = number tested with scores • CST Summaries of % Advanced and Proficient • More subgroups than paper reports • Parent education • Special program participation • Access from http://star.cde.ca.gov/ Post-Test Workshop

  49. Internet Demonstration Post-Test Workshop

  50. Internet Reports:CST Sample M 102 Post-Test Workshop