Astor is from Sweden. Compared to her cousin in Hungary, she likely watches _____television

Since accidents, such as gunshot wounds, or natural events, such as disasters, can provide psychological data, case studies, such as these, may sometimes be thought of as

a. field experiments. b. meta-analyses. c. natural clinical tests. d. naturalistic observations.

Studies of mutation demonstrate that __________

A) some mutations occur spontaneously, simply by chance B) mutations are never desirable C) females are more susceptible than males to harmful mutations D) most mutations cause only a temporary change in a segment of DNA