Which of the following theories sees aging as a process whereby cells are assumed to have a limitation on the number of times they can replicate?

a) wear-and-tear theory
b) cellular clock theory
c) activity theory
d) free radical theory

ANS: B

Psychology

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In recent years, the diagnostic frequency of autistic disorder has exploded in an epidemic-like fashion

One explanation for this increase is that the diagnostic practices have simply changed in ways that allow for more frequent diagnoses. This demonstrates which of the six principles mentioned in your chapter? A) Correlation vs. causation B) Ruling out rival hypotheses C) Occam's Razor D) Replicability

Psychology

One of the major problems we encounter with autobiographical memory is that

A) most people cannot remember information from their childhoods. B) sometimes people are influenced by other people's interpretations of events. C) once the information is stored, we often have difficulty with retrieval. D) it is only for traumatic events.

Psychology