Answer the following statement(s) true (T) or false (F)
All behavior has purpose
Ans: T
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A researcher computes the mean difference in locomotion in a sample of 12 rats before and 30 min after an injection of amphetamine. Rats were placed in a box with infrared beams. The number of times rats crossed the beams was used as a measure of locomotion. The mean difference in locomotion was 6.2 ± 8.4 (MD ± SD) and this difference was significant. What is the effect size for this result using estimated Cohen’s d?
A. d = 0.74 (medium effect) B. d = 1.36 (medium effect) C. d = 0.74 (large effect) D. d = 1.36 (large effect)
What is the difference between the nuclear family and the extended family?
What will be an ideal response?
The primary responsibility for the success or failure of the educational program in each local school resides with the
a. Building principal. b. Superintendent of schools. c. School board. d. Chief school administrator.
Brenda struggles with reading and dislikes language arts. During language arts, she frequently pokes the student in the seat next to her with her pencil and often gets up and wanders around the room. Her teacher puts her in time-out. Brenda likes to sit by herself and stare at the picture of the wall during time-out. Time-out is not effective for Brenda because it:
A) Positively reinforces her undesirable behavior. B) Negatively reinforces her undesirable behavior. C) Negatively reinforces her good behavior. D) Punishes her good behavior.