The primary colors of light correspond with which set of electromagnetic wavelengths?
A. 700 nm, 500 nm, and 400 nm
B. 700 nm, 600 nm, and 400 nm
C. 600 nm, 500 nm, and 400 nm
D. 500 nm, 400 nm, and 300 nm
Answer: A
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Early in the twentieth century, William McDougal and others proposed that motivation was a result of ________
a) instincts b) incentives c) drives d) emotions
Overweight middle-aged men have an increased risk of which disorder?
a. Narcolepsy b. Sleep apnea c. Parkinson's disease d. Korsakoff's syndrome
Which study supports the idea that smell is a vehicle for mother-infant recognition and attachment?
A. When breast-feeding mothers significantly changed their diets, their babies no longer preferred the smell of their nursing pads. B. Breast-fed babies - but not bottle-fed babies - prefer the odor of their mothers' underarms. C. Before even tasting the bottle, breast-fed babies refused the milk of another mother but accepted formula. D. Fathers who wore the t-shirts of breast-feeding mothers - but not bottle-feeding mothers - reported less crying when caring for their newborns.
We can see a candle flame at 30 miles on a clear, dark night, and we can hear the tick of a watch 20 feet away in a quiet room. These two facts are examples of __________
a) jnds b) difference threshold. c) adaptation. d) absolute thresholds.