A sensitive measure

Virginia is measuring attitudes towards recycling. She wants to force her participants to take a stand on the issue, yet she also wants to have a sensitive measure. How many points should she use on her rating scale? a. 2 b. 3 c. 5 d. 6 I really do not understand this.

Restricting a range is considered.

Suppose you find a restriction in your study of IQ scores and school achievement at a selective private school. Restricting the range is likely to do what to the correlation coefficient? a. Increase the size b. Underestimate the strength c. Have no effect d. Change the sign

Test of independence

This is a generic queestion A researcher who uses a "test of independence" to analye his data in using a(n) a. Two way chi-squared test b. Independent-samples-test c. Dependent-samples t-test d. Meta-analysis I think that this is a two-way chi-squared test. Am I way off?

A correlation is explained.

Professor turner found that the correlation between a person's degree of loneliness and the number of hours watching TV is -0.69. He can conclude that... a. As we observe people with higher levels of loneliness, we see a tendency for those people to spend less and less time watching TV. b. There is not much of a relationship between the two variables becaure r is negative. c. As we observe people with higher and higher loneliness, we see a tendency for those people to spend more and more time watching TV d. The people who who watch more TV tend to be more lonely

Data/statistics

This is a generic question. If I were summerizing data, would I use statistics ___________. If I wanted to know whether or not my results were occured by shance, I would use __________ statitics. a. Descriptive; interential b. Inferential;descriptive c. Qualitative;quantitative d. Quantitative;qualitative I believe that I would use a. Am I in the ballpark?