In developing nations with widespread poverty, malnutrition, disease, and armed conflict, average life expectancy hovers around _____ years
A) 45
B) 55
C) 65
D) 75
B
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What is a token economy?
a. ?Tokens are exchanged for valued reinforcers to increase the frequency of a desired behavior. b. ?Tokens gradually replace negative reinforcers to increase the frequency of a desired behavior. c. ?Tokens are provided at fixed intervals to increase the frequency of a desired behavior. d. ?Tokens are provided at variable intervals to increase the frequency of a desired behavior.
If the points on a scatterplot are spread all over the graph, this would suggest that the two variables depicted are a. normally distributed. b. positively correlated. c. strongly related
d. not correlated.
In Irving Biederman's recognition by components theory, a basic form, such as a cylinder or block is called a:
a. element b. geon c. cell d. soma
One reason our lips and fingertips are so sensitive is that they:
A) are used much more often than other areas of the body. B) contain a relatively sparse arrangement of touch receptors. C) are connected directly to the receptors in the spinal cord. D) have a large topographical representation in the somatosensory cortex.