A random sample means that
a. each person in the population has an equal chance of being included in the study
b. people are assigned to conditions by random chance
c. participants have responded to an advertisement or request for participation
d. the sample is not representative
Question 2
In the last 20 years, social psychologists have improved the representativeness of their research samples in which of the following ways?
a. by including many more members of ethnic minority groups in their samples
b. by decreasing their reliance on older adults as research participants
c. by improving the gender balance of their samples
d. all of the above
Abiotic factors influence population densities.
Trap set to monitor the wild population in the Dryandra Woodland
Sample Items from the Brief Multidimensional Measure of Religiousness/Spirituality (BMMRS)
Sample prescriptions of drugs for oral herpes infection.
Population Growth
Sample Size Affects Sampling Error