Which of the following terms best reflects the perspective of systems theories on human development?
a. hierarchical
b. environmental
c. symbiotic
d. dualistic
c. symbiotic
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A fetus whose mother contracts ______ may be born blind, deaf, and brain-damaged
mumps measles rubella chicken pox
The primary reason why more older adults in Western countries live on their own today than ever before is
A) the high cost of nursing homes. B) lack of assistance from their children. C) decreasing governmental support. D) improved health and economic well-being.
Antidepressant drugs have also been shown to be effective in treating each of the following disorders except ________
a. obsessive-compulsive disorder b. generalized anxiety disorder c. posttraumatic stress disorder d. conversion disorder
An individual takes a knowledge test five times and gets scores of 33, 34, 34, 32, and 33 (out of 100). This individual’s actual knowledge level would be represented by a score of 60. Based on this information, what can we conclude about this test?
A. The test has high reliability and high validity B. The test has high reliability and low validity. C. The test has low reliability and high validity D. The test has low reliability and low validity