Historical Development. The 16PF represented a significant event in personality assessment for two reasons. First, the 16PF was the first instrument to provide a ...
SIXTEEN PERSONALITY FACTOR QUESTIONNAIRE
)fthe A and B phases can illustrate the differ ,rmance associated with a behavior repeatedly nder two conditions, but the difference is not rence between treated and untreated subjects not be interpreted as an estimate of the effect nt would have on a population of untreated e usefulness of the information obtained from depends on the type of external validity of
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Johnston, J. M., & Pennypacker, R. S. (2008). Strategies and tactics of behavioral research (3rd ed.). Philadelphia: Routledge.
In LB. Weiner and W. E. Craighead (eds.), Corsini Enclyopedia ofPsychology, 4th Ed. (pp. 1603-1605). Hoboken, NJ: John Wiley & Sons. .20 10.
~vance.
Ijor issue is the identification of a treatment effective for a particular patient, a comparison t and control means from a group comparison may be of little value. If the purpose of the to estimate the effectiveness of a treatment 3 as a whole, the single-subject experiment ittle value. The adequacy of (1) group designs treatment decisions regarding the individual 19le-participant designs for estimating treat ts for patients as a whole depends on the ~pt: the variance of treatment effects across fective intervention is developed through the :tudy of a behavioral process in one or a few ;s, there is reason to hypothesize that it will be 1 others, because the best guarantee of replica lllts is an understanding of variables affecting s. This hypothesis can be tested on other par >y using the same intervention with them in ~plication study. Direct replications are often 'ith systematic replications in which the inter applied by different experimenters, in different md with different types of subjects on a vari lsures to establish the external validity of the Lt.
lysis ly, group designs have been associated with )f statistical inference as the major form of ysis, whereas single-participant designs in most psychology have usually been analyzed using al analysis of graphed data. Formal statistical are now available for the statistical analysis of .ngle-participant designs. Some ofthese methods 1 on minor modifications of time-series regres els; others employ recently developed computer approaches. EDREADINGS l. R., Nock, M. K., & Rersen, M. (2009). Single-ease /ental designs: Strategies for studying behavior change (3rd oston: Allyn & Bacon.
I. R., Reyting, A., Jaeschke, R, Keller, J., Adachi, & Roberts, R S. (1990). N of 1 randomized trials vestigating new drugs.
