Research on the use of cell phones while driving indicates that
a. the negative effect can be decreased by using "hands-free" units.
b. the problem with cell phones is that attention is distracted from the task of driving by the need to hold the phone and drive with one hand.
c. the main effect of cell phone use on driving safety can be attributed to the fact that attention is used up by the cognitive task of talking on the phone.
d. the public perception that using a cell phone while driving poses a significant risk to drivers' safety is, in fact, incorrect.
c
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Stress has been shown to decrease a. angina
b. cholesterol levels. c. risk for irritable bowel syndrome. d. estrogen levels.
Studies show that sleep position of the infant appears to be highly correlated with SIDS
Indicate whether the statement is true or false
Stimulants have which of the following effects?
a) increased alertness and blood pressure b) increased cerebral blood flow c) increased sleepiness and sleep d) increased appetite and decreased pulse
Postpartum depression occurs
A. after giving birth and is typically severe. B. after giving birth and is typically mild. C. just before giving birth and is typically severe. D. just before giving birth and is typically mild.