The categories of apples and oranges are

The categories of apples and oranges are
 
  a. Mutually exclusive
  b. Mutually exhaustive
  c. Biased
  d. Subject to social desirability effect

Question 2

Bias in survey research can come from
 
  a. The subject's reported level of pain
  b. The general context of the survey
  c. The reliability of the study
  d. The validity of the study

Question 3

The survey question, Do you believe that for every dollar of tax increase there should be 2 in spending cuts with the savings earmarked for deficit and debt reduction is not a particularly well-written item because
 
  a. It addresses more than one issue in a single item
  b. It is not exhaustive
  c. It shows bias
  d. both a and c

Question 4

The survey question, Rate your agreement: I believe in the death penalty because I think that murderers cannot be rehabilitated is not particularly well written because
 
  a. It shows poor grammar
  b. It shows bias
  c. It addresses more than one issue in a single item
  d. It is not exhaustive