Ch+6+notes

Chapter 6: Scoring Terminology Used in Assessment Brief Summary Chapter 6 focuses on the various statistical ways in which data are reported to parents and school personnel when doing assessment. After reading this chapter your students should understand the following: 􀂃 Calculation of age Stanines 􀂃 Raw scores Standard scores 􀂃 Standard scores Age equivalents 􀂃 Percentiles Grade equivalents 􀂃 z scores Standard error of measurement 􀂃 T scores Confidence intervals Lecture and Discussion Outline I. Calculation of Age A. Overview B. Calculation of Days C. Calculation of Months D. Calculation of Years E. Model problems F. Practice Problems II. Raw Scores A. Overview B. Importance of Raw Scores III. Percentile Ranks (Percentiles) A. Overview B. Quartiles C. Deciles D. Concerns about percentiles IV. Standard Scores A. Overview B. Standard scores and IQ C. Classifications and standard scores D. Types of standard scores V. z Scores A. Overview B. Mathematical formula for calculating z scores VI. T Scores A. Overview 43 B. Mathematical formula for calculating T scores VII. Stanines A. Overview B. Mathematical formula for calculating stanines VIII. Comparing z scores, T scores and Stanines IX. Age Equivalent Scores IX. Grade Equivalent Scores XI. Concluding Remarks XII. Practice problems and answers