Personal Construct Psychology: the First Half-century

ness of theory’s concepts has given generality extending beyond clinical realm and original historical context. Amenability to operational definition PCP concepts have been operationally defined, often using assessment methods developed from the theory. Modifiability and ultimate expendability Little or no modification of the theory, perhaps indicating its viability, but possible expendability by integration with other approaches. Avoidance of problems due to assumptions of mental energy Lack of concepts of mental energy has not hampered explanatory power. Ability to account for people’s choices Empirical support for theory’s view of choice, which enables understanding of choices that may seem self-defeating or destructive from other per-