A researcher uses a manipulated independent variable in her experiment. This means she
A. conducts her research in a laboratory.
B. uses comparison groups.
C. makes her prediction before conducting the study.
D. randomly assigns participants to conditions.
D
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Which of the following is TRUE about adolescents and STIs?
a. Adolescents almost always reduce their sexual behavior when they have knowledge of STIs. b. Very few could reduce their risk with consistent condom usage. c. The risk is increased with multiple sex partners. d. Over 75% of sexually active adolescents have an undiagnosed STI.
Stephen LaBerge and his colleagues at the Stanford University Sleep Research Center were able to show that lucid dreams are real and that they occur
a. during NREM sleep. b. during REM sleep. c. only when people are sleep deprived and are experiencing REM rebound. d. most often in children and adolescents, but rarely in adults.
Dr. Ledder conducts research on intelligence and problem-solving skills of fourth-grade children. His research area best fits into which of the following domains of learning?
a. the sociocultural domain b. the physical domain c. the cognitive domain d. the personality domain
Sixteen-year-old Max has been introspective lately. He has been wondering who he really is, thinking about his values, and pondering the direction he will pursue in the future. Max is
A) considering a moral dilemma. B) adopting his parents' values as his own. C) constructing his identity. D) building his self-esteem.