Women with body mass index of _____ showed the lowest mortality rates

Which of the following is a good predictor of IQ?

A) well-developed gross-motor skills B) flexible attention strategies C) slow, steady nervous system function D) REM brain-wave patterns during sleep

In an experiment concerning the effect of food deprivation on activity level, food deprivation is the _____ variable

A) ?dependent B) ?confounding C) ?independent D) ?extraneous