The use of a placebo is typically used to
a) Rule out threats to internal validity
b) Test for ethical issues
c) Check for the impact of contact
d) Enable everyone to eventually receive the treatment
Correct Answer: a
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Short bursts of brain activity in Stage 2 sleep are called
a. delta waves. b. recurrent beta waves. c. sleep spindles. d. cortical waves.
By age ______, children are convinced certain toys are appropriate for one gender but not the other
6 8 2 4
Shareef's parents bought him a high chair and he intentionally tipped over his water in the tray over and over again. According to Piaget, Shareef is at the ________ stage
a. simple reflexes b. primary circular reactions c. secondary circular reactions d. tertiary circular reactions
The first fully developed psychotherapy or "talking cure" was
a. transactional analysis. b. psychoanalysis. c. logotherapy. d. client-centered therapy.