Riley believes that fingernail length is a strong predictor of intelligence, and that cutting one's nails will lead to decreased intellectual skill. He enlists twenty participants to let their fingernails grow for six months and he gives them IQ tests every eight weeks. His data most likely have ________ statistical reliability and ________ validity.
A. poor; poor
B. good; good
C. poor; good
D. good; poor
Answer: D
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The fact that our consciousness can wander like a stream is taken as evidence of the _____ of consciousness.
A) intentionality B) unity C) transience D) selectivity
Thomas and Jada have just brought their new infant home, and they are very excited to be new parents. They have read tons of articles and books about how to keep their baby safe, and they know that to reduce the risk of sudden infant death syndrome (SIDS), they have to put their baby ________ during sleep time.
A. on her back B. on her side C. in tight blankets D. on her stomach
Selim experiences a great deal of stress with his job and often works overtime. To counter this, Selim still tries to eat right and sleep at least eight hours. At a recent check-up, his physician detected signs of sleep deprivation. How is this possible when Selim sleeps a standard number of hours?
A. Selim’s stress level likely dictates the need for at least ten hours of sleep. B. Selim likely does not produce enough cortisol to make him feel energized. C. Selim likely needs to divide his sleep schedule into four- hour increments. D. Selim is likely getting the quantity of sleep but not the quality.
Individuals with defects or weaknesses in their dopamine systems may be susceptible to
A) impulsivity. B) negative emotions. C) addiction. D) introversion.