Elaina is planning a study where she will be using a ...

[erika]

Elaina is planning a study where she will be using a questionnaire from a previous study. She is determining whether or not the survey produces consistent results over time. It appears that Elaina is concerned about the questionnaire's
 
  a. reliability.
  b. validity.
  c. difficulty.
  d. popularity.

Question 2

Having too much error variance in a study is problematic because it increases the risk of a
 
  a. Type I error.
  b. Type II error.
  c. crime.
  d. computer malfunction.

[swimkari]

Answer to Question 1

a

Answer to Question 2

b