In doing a mail survey one potential problem is nonresponse bias which refers to
A) having too few surveys returned.
B) sending the survey to a non-random sample.
C) differences between those who return the survey and those who don't.
D) having items on the survey that respondents leave blank.
C
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The social-role hypothesis argues that there are no gender stereotypes
a. True b. False Indicate whether the statement is true or false
Psychologists follow the ethical principles developed by _____
a. the American Psychological Association b. the American Psychological Society c. the American Psychiatric Association d. the Association for Psychological Science
What proportion of people over the age of 65 live with family members?
a) 1/5 b) 1/4 c) 1/2 d) 2/3
Traits are expected to be dichotomous, or many cases, measured as a point on a ______.
Fill in the blank(s) with the appropriate word(s).