Aptitude-treatment interaction (ATI) research is a research paradigm that attempts to examine how an outcome depends on the match between individuals’ specific aptitude(s) and the treatment they receive. When a treatment and an individual’s aptitude(s) are matched, the effect of the treatment is optimal. While an aptitude refers to any measurable personal characteristic that would have an impact on achieving goals in the designed treatment, a treatment refers to any manipulable situational variable. An interaction occurs when a treatment has an effect on one type of individual and a different effect on another.
The Goal of ATI
According to ATI, individuals differ in their readiness to profit from a particular treatment at a particular time, and individuals may adapt their situations to fit their own characteristics. Therefore, ATI offers a framework for interpreting aptitudes as personal readiness to profit...
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