Experimenter bias and ____________ can become very similar in ...

[CORALGRILL2014]

Experimenter bias and ____________ can become very similar in some experiments.
 
  A) regression toward the mean
  B) maturation
  C) participant expectancies
  D) attrition

Question 2

In their research on the door-in-the-face technique and blood donation, Cialdini and Ascani (1976) were concerned about the possibility of experimenter bias. What steps did they take to eliminate or reduce this methodological problem?
 
  A) They kept the experimenter blind to participants' conditions.
  B) They made use of a double-blind procedure.
  C) They deceived the participants.
  D) They deceived the experimenters.

[ergserg]

Answer to Question 1

C

Answer to Question 2

D

[CORALGRILL2014]

Thank you

[ergserg]

No problem