Exam 9: Single-Case Designs and Small-N Research

The problem of generalizing from a single individual arises when the case study method is used.This problem is likely to be most serious when the case has been selected from a population with

Describe an advantage and a disadvantage of single-subject experimental designs relative to multiple-groups designs.

A woman sought treatment for her symptoms of depression and anxiety. The psychologist, after checking his references for the best treatment given her symptoms, began twice-a-week cognitive-behavioral psychotherapy. By the end of eight weeks, she reported that she was much better, and had only occasional symptoms of depression and anxiety, which she considered to be normal. The psychologist wrote a report describing the results of his study, stating that her improvement offers conclusive support for the effectiveness of cognitive-behavioral therapy. -Do you think the psychologist's conclusions are correct? Why or why not?

An extensive case study of an individual's visual system reveals several important findings.The ability of the researcher to generalize these findings to other individuals can be described as

Which of the following is not a source of bias in case studies?

A cognitive psychologist did an intensive study of a person who had suffered an unusual brain injury.Which of the following methods did the psychologist use?

When an intervention in a single-subject design is expected to have an effect in the same direction as a baseline trend (either positive or negative),the researcher should