Please answer each question in your answer booklet, making sure that you clearly indicate the question number and the answer letter for each question. Please do not write your answers on this exam paper.Please indicate only ONE letter answer for each question.
1. When you have a well-defined target population that can be quantified, we can determine how likely it is for each individual in that population to be a part of a sample. What do we call this sampling technique?
a. non-probability sampling
b. probability sampling
c. random sampling
d. representative sampling
2. The most common type of convenience sample is.Researchers who choose this type of sample are limited in their ability to their results.
a. a sample of college students; generalize
b. a sample of college students; trust
c. a sample of females; generalized. a sample of females; trust
3. Snowball sampling can help the researcher to:
a. overcome the problem of not having an accessible sampling frame.
b. collect data cost effectively.
c. access difficult or hidden populations.
d. all of the above.
4. To establish cause and effect, your experiment needs to
a. have at least two groups.
b. have at least two theoretically equivalent groups.
c. have at least three theoretically equivalent groups.
d. have at least four theoretically equivalent groups.
