A researcher would like to select a sample of 50 people so that five different age groups are equally represented in the sample. Assuming that the researcher does not know the entire list of people in the population, which sampling technique should be used?
a. quota sampling
b. stratified random sampling
c. proportionate stratified random sampling
d. cluster sampling
a
You might also like to view...
Learning disabilities differ from physical disabilities in childhood in that they are ____
a. more pronounced b. not as easy to detect c. not diagnosed by professionals d. fairly rare
There have been profound changes in gender expectations across many cultures. These changes have largely occurred over the last how many years?
A. 25 B. 50 C. 75 D. 100
Sounds are converted into action potentials within the ________ and then transmitted to the ________
a. middle ear; cochlea b. cochlea; parietal cortex c. pinna; frontal cortex d. basilar membrane; auditory cortex e. basilar membrane; occipital cortex
One valid criticism of youth sports is that
A) participation in organized sports often results in psychological damage to children. B) they overemphasize competition and substitute adult control for children's natural experimentation with rules and strategies. C) participation in youth sports is the leading cause of childhood injury. D) they often interfere with school work and can cause a sharp decline in academic achievement.