Deck 32: Multiple Correlation

Question 1

What is NOT true about an R of .80?

A) A combination of predictors has a strong positive correlation to the variable being predicted
B) A multiple correlation coefficient is .80
C) A combination of predictors predicts 80% of the variance on the variable being predicted
D) A combination of predictors predicts 64% of the variance on the variable being predicted

Answer 1

C

Question 2

In predicting the variance in Algebra Grade which of the following is a better predictor?

A) Attitude-toward math sores with a correlation of .68
B) Basic math test scores with a correlation of 64
C) A combination of the above two variables with a correlation of .77
D) Some other variable(s) not measured

Answer 2

C

Question 3

If we are looking for the R of predictors in order to predict freshman grades in college, what would be the best combination to predictors to obtain R from?

A) Verbal college admissions test scores
B) Quantitative college admissions test scores
C) High school grades
D) All of the above
E) Some other factors

Answer 3

D

Question 4

Suppose a research is examining what factors attribute to happiness in life which correlational statistics should the researcher compute for this research question?

A) r
B) R

Question 5

Multiple correlation coefficients can be calculated for a combination of more than two predictors.