Author Question: Demand characteristics, such as subjects' knowledge of the experimental hypotheses, create which ... (Read 33 times)

crazycityslicker · **on:** Jun 29, 2018

Demand characteristics, such as subjects' knowledge of the experimental hypotheses, create which type of effect?
a. covariate
b. maturation
c. history
d. demand

Question 2

Name the two main types of heterogeneity models.

randomguy133 · **Reply #1 on:** Jun 29, 2018

Answer to Question 1

D

Answer to Question 2

1 . discrete (or latent class or finite mixture model) heterogeneity
2 . continuous heterogeneity

Finite normal mixture heterogeneity is the more general form, which is acceptable as an answer if the student understands how it relates to these two types.