Regarding diet, exercise, and weight loss, which statement is true?
A) ?Exercise alone can produce weight loss.
B) ?Dieters lose weight, but they also retain lean muscle tissue.
C) ?Exercisers lose weight, but they lose mostly lean muscle tissue.
D) ?Both a and b are true.
A
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The larger the F ratio:
a. the less likely we are to reject the null hypothesis. b. the less likely our results are due to chance. c. the greater the probability of a Type I error. d. the less likely there is a confound.
Because you set your alarm every night, you always get to work on time and are never reprimanded for being late. This behavior is strengthened by a
a. positive primary reinforcer. c. positive reinforcer. b. primary reinforcer. d. negative reinforcer.
Recent research has shown that maturity of which brain structure during young adulthood reflects cognitive changes that underlie expertise?
a. Temporal lobe b. Corpus callosum c. Frontal cortex d. Occipital lobe
During the night:
a. REM sleep periods become longer. b. delta waves increase. c. dreaming decreases in frequency. d. NREM sleep periods involve a more and more active EEG.