Statistics & Research Design

Question 1

Using 2 or more categorical variables to predict status on a single categorical variable

Answer 1

Logit analyss

Question 2

In principal components analysis, each eigen value indicates

Answer 2

the total variance explained by an identified component

Question 3

purpose of Solomon four group design is to examine

Answer 3

effects of pretesting for internal and external validity

Question 4

analysis used when a single predictor will be used to predict or estimate a score on a single criterion

Answer 4

linear regression

Question 5

analysis used when multiple predictors will be used to predict a score on a single criterion

Answer 5

multiple regression

Question 6

analysis used when multiple predictors will be used to classify individuals into one of 3 or more criterion groups

Answer 6

multiple discriminant function analysis

Question 7

analysis used to identify the set of variables that accounts for the total variance in a set of test scores

Answer 7

principle components analysis

Question 8

dummy coding is used so

Answer 8

categorical variables can be included in a multiple regression equation

Question 9

a platkurtic distribution

Answer 9

is flatter than a normal distribution

Question 10

a leptokurtic distribution

Answer 10

is more peaked than a normal distribution

Question 11

a mesokurtic distriubtion

Answer 11

is a normal distribution