In determining how many subjects to include in a study, ...

[moongchi]

In determining how many subjects to include in a study, researchers need to consider three factors: 1) the alpha level to be used; 2) the desired power of the analysis; and 3) the
 
  a. expected effect size.
  b. geographic location of the study.
  c. significance level of the results.
  d. precision of the dependent measure.

Question 2

Jeremy has volunteered to participate in a psychological investigation as part of his general psychology course.
 
  On the morning of the study, Jeremy receives a phone call where he is informed that he has won a large sum of money as part of a local radio station's advertising campaign. Jeremy's extremely elevated mood as he participates in the study is a good example of
 
   a. why researchers should use only non-human animals as research subjects.
   b. a transient internal and external state.
   c. why psychological research conducted with human participants is unethical.
   d. causation between an independent and a dependent variable.

[pikon]

Answer to Question 1

a

Answer to Question 2

b

[moongchi]

TYSM

[flexer1n1]

Excellent