In general, as the scale of measurement of the dependent variable ...

[Mimi]

In general, as the scale of measurement of the dependent variable becomes more precise, statistical power
 
  a. increases c. stays the same
  b. decreases d. follows no predictable pattern

Question 2

Statistical power refers to the ability to _____.
 
  a. prove the research hypothesis c. make valid measurements
  b. replicate research findings statistically d. find relationships among variables

[Christopher]

Answer to Question 1

A
Powerful statistics are able to detect relationships that exist between variables. Less powerful statistical tests might not be able to detect some of these relationships.

Answer to Question 2

D
Powerful statistics are able to detect relationships that exist between variables. Less powerful statistical tests might not be able to detect some of these relationships.

[Mimi]

Great answer, keep it coming

[fatboyy09]

TYSM