________ is the single most troubling social problem that adolescents living in the United States face

To prevent the participants in their experiment from rehearsing information, Peterson

and Peterson a. used a partial-report procedure. b. taught their participants to use mnemonic devices incorrectly. c. used long lists of nonsense syllables. d. asked participants to count backwards from a given number. e. reduced the amount of time between the presentation of the material and subsequent recall.

A person may be resuscitated and suffer little damage if his/her heart has stopped beating and breathing has stopped for as long as ___ minutes

a) 10 b) 15 c) 5 d) 8