Valdosta State University
Department of Psychology
PSY310  Edcational Psychology
Instructor: John H. Hummel, Ph.D.


PRACTICE QUIZ #2
Statistics & Standardized Tests

Stats. & Stan. Tsts. Name _______________ (36)

1. A new test of intelligence (Intelligence Test for All Children, or ITAC) was developed by several professors. They selected items from many different existing IQ tests, rewrote each (i.e., paraphrased) to construct the instrument. Compared to many such tests, the ITAC is very inexpensive.

You've been asked whether your school should use the ITAC. What is your professional judgment? (4)











2. This is a trick question. Explain which category of standardized tests, criterion-referenced or norm-referenced, grades the student's answers by using a key? (2)


3. There are several different categories of standardized tests (e.g., criterion-referenced, aptitude, etc.), and they all have uses in schools and for teachers. Explain which category is most important for the day-to-day work of the classroom teacher. (3)








4. Describe ONE difference between aptitude and achievement tests. (2)


A. Hint: In terms of Carroll's (1963) model, explain which type of standardized test would one likely use to measure a student's ABILITY? (2)


5. Mary Lou's test battery results have just come back from the school psychologist's office. You are reviewing her profiles for the various standardized instruments. She is in the 6.7 grade level and is 12.9 years old. On the math achievement test her percentile rank was 28th. Her reading comprehension score was the 6th stanine.

A. Describe what you'd say to her parents when they ask you about her performance (i.e., interpret what the scores mean and how you will be using them to accommodate her in your LPs). (4)







6. List and describe the three types of validity. (6)








7. Define reliability (2)



8. Several types of standard scores were describe in class (percentiles, stanines, etc.). List and define one of the remaining types. (2)

9. There are four types of aptitude tests. List the names of three of them. (3)

10. For the following scores compute the measures of central tendency and the measures of variability. (6)

67, 73, 69, 84, 72, 84 Show your work and label your answers

X X2

_X= _X2=

Syllabus REVIEW Answer Key