Lecture 8

Question 1

How to check if i want to measure what i want to measure?

Answer 1

1- Checl the a-parameter. Low a not a good measurement.
2-Look at the b parameter. Do I have enough easy and hard questiones.

Question 2

Adaptive testing

Answer 2

Traditional linear test: asks all kinds of questions.
Computer adaptive test: computer assignes you questions according to your level.
- Rarely used due to: sophisticated, takes time, expensive.

Question 3

Test linkage.

Answer 3

Being able to compare the results from 2 different tests. (Math test ability in grade 1 and grade 3)