The causal hypothesis states that A) the independent variable ...

[HCHenry]

The causal hypothesis states that
 
  A) the independent variable has the predicted effect on the dependent variable.
  B) the independent variable has no effect on the dependent variable.
  C) the dependent variable has the predicted effect on the independent variable.
  D) the dependent variable is confounded with the independent variable.

Question 2

In research on the effects of noise on sleep, a researcher wonders whether disrupted sleep may be due to drinking coffee rather than to living near an airport. How would a researcher deal with the question posed in this hypothesis?
 
  A) By testing the hypothesis like any other hypothesis.
  B) By asking all participants to eliminate coffee from their diet for the duration of the study.
  C) By using post hoc statistical controls.
  D) By attempting to reject the null hypothesis.

[rosiehomeworddo]

Answer to Question 1

Answer: A

Answer to Question 2

Answer: B

[HCHenry]

Thank you!

[rosiehomeworddo]

Always glad to help...