A researcher conducts a study to examine the effects of breastfeeding on infant weight at age 6 months. Which type of measurement is used to measure the infants' weight?
a. Direct
b. Indirect
c. Nominal
d. Ordinal
Question 2
Which of the following is true about convenience sampling?
a. It tends to be less expensive and easier to conduct.
b. It requires fewer subjects to achieve a representative sample.
c. It is used more often in quantitative research.
d. It allows the researcher greater control over extraneous variables.
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