Which of the following statements summarizes the case in favor of the use of statistical analysis in single-case research.
a. The statistics required for analyzing single-case data are simple to use, and can reveal whether the treatment will have real therapeutic value.
b. Statistical analysis is helpful in detecting behavioral changes when there is high variability in baseline behavior, and reduces subjectivity of interpretation.
c. Statistical analyses are useful in determining which of many participants are best affected by the treatment, and can help suggest future courses of action.
d. Traditionally, psychological data are not accepted unless they are subjected to statistical analysis.
If the reason for the difference between the true and observed score is a characteristic of the
person taking the test, the resulting decrease in reliability will be attributed to ____________.
a) method error
b) trait error
c) random error
d) nonsystematic error
Factorial designs present many problems. Which of the following is NOT among them?
a. they often require a large number of participants
b. if the design incorporates more than two factors, the higher-order interactions may be difficult to interpret
c. simultaneous manipulation of all the factors can be difficult
d. they can be used with one or more factors or independent variables
A __________________ is a systematic arrangement of data values in which the unique data values are rank ordered and the frequencies are provided for each of these values.
a. scatter plot
b. frequency distribution
c. line graph
d. mean plot
Learning to tolerate ambiguity is a component of which APA goal in this chapter?
a. Goal 4: Application of Psychology
b. Goal 5: Values in Psychology
c. Goal 9: Personal Development
d. Goal 10: Career Planning and Development
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