When a researcher does not know the exact number of individuals in the population, it is necessary to use a nonprobability sampling method

a. True
b. False
Indicate whether the statement is true or false

True

Psychology

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The collective name for milk creation, secretion, and ejection from the nipple is ____

a. areola c. suckling b. lactation d. mammary

Psychology

A pregnant woman is undergoing an invasive prenatal test at 9 weeks to screen for genetic disorders. This test is known as __________

a) amniocentesis b) chorionic villus sampling c) ultrasound sonography d) sonogram

Psychology