Identify two reasons that some researchers see single-case or small-n designs as superior to designs in which many participants are used
What will be an ideal response?
According to Sidman (1960), designs with many participants do not allow for adequate replication of results, whereas single-case designs do. Second, group designs contribute to error variance in a study because using many people in a study increases error variance resulting from individual differences. Third, in group designs, we typically look at the mean performance within each group and then attempt to generalize the results to individuals. Psychologists thus draw conclusions about individual behavior based on studying the average performance of a group of people when Sidman believes it would be better to study individuals and then generalize to other individuals.
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Simon LeVay developed a theory of homosexuality that is still being explored today which holds that a male homosexual:
a. has an extra X chromosome at pair 23. b. has an extra Y chromosome at pair 23. c. was exposed as a fetus to hormone levels that were characteristic of females. d. has a hypothalamus that is two to three times smaller than heterosexual males.
Give two reasons why friendship is becoming more important. (2 points; 1 for each correct reason)
What will be an ideal response