What type of stimulus elicits a response without prior experience—that is, without learning having taken place?
a. ?classical
b. ?unconditioned
c. ?conditioned
d. ?habitual
ANSWER:
b
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The stress of crossing multiple time zones during air travel may
a. increase the release of melatonin. b. decrease the release of melatonin. c. increase the release of cortisol d. decrease the release of cortisol.
Which of the following statements about marriage in late adulthood is true?
A) Marital satisfaction decreases from middle to late adulthood, when it is at its low-point. B) One in every four or five first marriages lasts at least 50 years, despite the high U.S. divorce rate. C) Late-life marriages involve more stressful responsibilities that can negatively affect relationships. D) Compared to younger couples, aging couples disagree more often and rate their relationship as lower in quality.
Describe the factors that underlie sexual orientation.
What will be an ideal response?
A sequential design________
A) does not address diversity in developmental outcomes B) permits researchers to check if cohort effects are operating C) is less efficient than a longitudinal design D) makes cross-sectional, but not longitudinal, comparisons