In terms of eliminating sources of bias in experimental research, ...

[MirandaLo]

In terms of eliminating sources of bias in experimental research, which of the following sources of bias suggests that workers might improve in their performance merely because they are being observed closely by others?
 
  a. Social desirability bias
  b. Demand characteristics
  c. Hawthorne effect
  d. Confounding

Question 2

Christoph is planning to research the effects of meditation. He specifically wants
  to look at the effects meditation has on physiological stress levels. Which of the
  following might he want to consider before beginning his study.
 
  A) The possible cost of the equipment he will need to measure stress levels.
  B) The time it will take to complete the research.
  C) Whether or not he could get published for such research.
  D) Both a & c

[rnehls]

Answer to Question 1

c

Answer to Question 2

D