Melissa conducts a study to examine the effects of political ...

[Garrulous]

Melissa conducts a study to examine the effects of political advertising on opinions toward the
  environment. In this study, opinions toward the environment represent the
 
  A) intrinsic variable B) dependent variable
  C) independent variable D) extraneous variable

Question 2

You conduct a study to determine how bright light affects memory on a word recall task. One
  group memorizes a list of words with bright lights, the second group memorizes the list with
  minimal light. A non-directional hypothesis will
 
  A) protect against experimenter effects by keeping all factors constant
  B) predict that one group will recall more words than the other group
  C) predict that words recalled for the two groups will differ
  D) direct the experimenter to remove certain participants who score above average

[Heffejeff]

Answer to Question 1

B

Answer to Question 2

C

[Garrulous]

Wow, this really help

[atrochim]

Great answer, keep it coming