An interrupted time series design lacks

a. manipulation of an independent variable
b. statistical control over many extraneous variables
c. a control group
d. external validity

c

Psychology

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LTM is thought to have an _____ capacity

Fill in the blank(s) with the appropriate word(s).

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A physician who specializes in delivering babies is called a(n)

a. midwife. c. instructor. b. coach. d. obstetrician.

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