A researcher tests the influence of environment on cognitive ...

[jjjetplane]

A researcher tests the influence of environment on cognitive development by taking newborn children away from their parents and assigning half of them to a rich cognitive environment and half to a deprived cognitive environment. Is there anything wrong with this experiment, and if so, what?
 
  a. No; there is nothing wrong with this experiment.
  b. Yes; there is no control group.
  c. Yes; this experimental method violates ethical standards.
  d. Yes; this experimental method cannot control for the Hawthorne effect.

Question 2

Brads thesis advisor often tells him that its important to strive for results that are statistically significant. He explains that to have results that are statistically significant means that ____.
 
  a. descriptive statistics were used in this study
  b. participants were randomized in his study
  c. there was no random selection
  d. there is a small chance that the results were caused by random variables

[joanwhite]

Answer to Question 1

ANSWER:
c

Answer to Question 2

ANSWER:
d

[jjjetplane]

Thank you

[joanwhite]

No problem