Discovering Statistics Using IBM SPSS Statistics

A researcher was interested in the effects of information about exercises that relieve back pain delivered in two different ways by doctors. Doctors were recruited from different hospitals and each gave several patients the information. How many levels are there in this hierarchical data structure?

Answer choices

1. 3
2. 1
3. 2
4. 4

A researcher was interested in the effects of information about exercises that relieve back pain delivered in two different ways. Several doctors within the same hospital delivered the information to multiple patients. How many levels are there in this hierarchical data structure?

Answer choices

1. 1
2. 3
3. 2
4. 4

You've done an ANCOVA but found that the assumption of homogeneity of regression slopes has been violated. Which of these is a potential solution to overcome this problem?

Answer choices

1. Multiple regression
2. Discriminant function analysis
3. Multilevel model
4. Factorial ANOVA

Missing data pose the least problem for:

Answer choices

1. Analysis of variance
2. Multiple regression
3. Principal component analysis
4. Multilevel linear models              

Which of the following is not a measure of the fit of a multilevel model?

Answer choices

1. CIC
2. AIC
3. CAIC
4. BIC