Individuals with obsessive-compulsive disorder have compulsive behaviors that generally involve:
a. counting and checking.
b. counting, checking, and avoidance.
c. checking and cleaning.
d. counting, checking, cleaning, and avoidance.
Answer: D
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If a cell is experiencing myelination, it is
a. migrating into its proper place in the brain. b. dividing uncontrollably. c. developing a fatty covering encasing its axon. d. releasing neurotransmitters.
Which of the following is NOT a type of small-n design?
a. ABA reversal designs b. ABAB reversal designs c. multiple-baseline designs d. single-group posttest-only design
A mathematician has just purchased a book by Charles Spearman. The book is probably about:
a. analysis of variance b. analysis of covariance c. factor analysis d. psychometric analysis
Which of these illustrates the Ebbinghaus illusion?
a) a point of light in a pitch dark room appears to move b) the length of a line will depend on the arrows at the end points c) parallel lines with short crossing lines do not seem to be parallel d) circles of equal size seem different sizes depending on the size of circles that surround them