Chapter 8

Question 1

What is a construct?

Answer 1

An attribute, trait or characteristic that in itself is not directly observable but can only be inferred by looking at observable behaviors

Question 2

What is a behavior?

Answer 2

Actions that are observable and measurable.

Question 3

What are the steps for construct explication?

3pts

Answer 3

1. Identify behaviors that relate to construct
2. Identify other related constructs
3. Identify behaviors related to other constructs

Question 4

Construct validity- what is convergent evidence of validity?

Answer 4

If the test is measuring a particular construct, we expect the scores on the test to strongly correlate with scores on another test measuring the same or similar constructs

Question 5

What is discriminant evidence of validity?

2pts

Answer 5

When the test scores do not correlate with unrelated constructs.

• Two different tests should not correlate

Question 6

What are factors?

Answer 6

Are scales or subscales in a test
- Explains why certain questions on a test are correlated

Question 7

An advanced procedure based on the concept of correlation that helps investigators explain why items within a test are correlated or why two different tests are correlated.

Answer 7

Factor analysis

Question 8

What is exploratory factor analysis?

Answer 8

You don’t know what you are actually going to get- you’re exploring
–> Will tell you which items go in which factor

Question 9

What is confirmatory factor analysis?

Answer 9

You already have an idea of which items belong is which factors, you just want to confirm

Question 10

Refers to the amount of gain in predictive value obtained using a particular test.

What type of validity is this?

Answer 10

Incremental validity