The main disadvantage of including a quasi-independent variable in an experimental design is that:
A. the results obtained are difficult to analyze statistically.
B. the results obtained are often misinterpreted.
C. carryover effects become uncontrollable.
D. the resulting design cannot be carried out easily.
Answer: B
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Which of the following is TRUE about learning disabilities?
a. They tend to disappear as children reach adulthood. b. They affect less than 1% of the childhood population. c. They are more common in girls than in boys. d. They can affect several different areas, including reading, writing, and math skills.
One potential problem with self-report measures is that
a. respondents typically dislike them. b. they do not provide information concerning the direction of an attitude. c. respondents might not respond truthfully. d. it is not possible to assess the validity of self-report measures.
A member of a jury disagrees with the other members. A key factor in encouraging this individual to "stick to his guns" in the face of majority opinion is
a. finding a group whose size is greater than 18 members. b. finding just one other person who supports his minority opinion. c. the desire to be liked by other members of the group. d. none of these.
The establishment of a reliable relation between variables is called a:
a. hypothesis. b. postulate. c. prediction. d. law.