Internal validity may be increased by
a. matching participants on important characteristics.
b. randomly assigning participants to treatment groups.
c. employing double-blind procedures.
d. all of the above
D
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Summarize the psychological treatments used to treat paraphilias and their efficacy
Answer:
Why is a comparison of happiness between two countries difficult to interpret? a. More psychologists live in some countries than in others
b. The laws about informed consent for research differ among countries. c. The meaning of a self-rating varies among countries. d. Some countries have much larger populations than others do.
Shaywitz and Shaywitz (2002) found that the brains of dyslexic children compared to nonimpaired children had ____
a. higher activation primarily in the right hemisphere b. lower activation primarily in the right hemisphere c. higher activation primarily in the left hemisphere d. lower activation primarily in the left hemisphere
Internal chemical signals that reduce our desire to eat are called:
a. ghrelin signals b. gastrointestinal signals c. satiation signals d. drive reduction signals