If a researcher says he had a big problem with diffusion of ...

[bio_gurl]

If a researcher says he had a big problem with diffusion of treatment in his two-group, repeated
  measures study, what most likely occurred?
 
  A) Participants grew tired during the study and did not want to continue.
  B) Many participants in one group failed to show up for the second half of the study.
  C) Participants in one group became familiar with the treatment of the other group and tried
  to copy the group's behavior.
  D) Noisy conditions in the room containing one group were heard in the room with the other
  group.

Question 2

For a perfect positive correlation between two sets of scores, when there is an increase of one
  unit in one variable, we would
 
  A) sometimes see a increase of one unit in the other variable
  B) sometimes see a decrease of one unit in the other variable
  C) always see an increase of one unit in the other variable
  D) always see a decrease of one unit in the other variable

[tanna.moeller]

Answer to Question 1

C

Answer to Question 2

C

[bio_gurl]

Excellent

[mochi09]

Thanks for the timely response, appreciate it