Person-specific modelling and multimethod assessment
How different sources of evidence can be used to understand the recurring and context-sensitive characteristics of one person.
| Academic area | What it explains | Key concepts and methods |
|---|---|---|
| Idiographic and person-specific methods | How the individual can become the unit of inference and how complex evidence can be organized into provisional, revisable hypotheses. | Idiographic and person-specific methods; individualized formulation; clinical case formulation. |
| Multimethod assessment and personality judgment | What different sources add, what each perspective may uniquely know, and when judgments about a person are accurate. | Multimethod and multi-informant assessment; Realistic Accuracy Model; self–other knowledge; Trait–Reputation–Identity model. |
| Mechanical versus holistic data combination | How evidence from several sources is combined, and when mechanical rules match or outperform holistic judgment. | Clinical versus mechanical prediction; mechanical versus clinical data combination. |
| Individual-differences research | Which characteristics vary among people and how recurring tendencies, context-sensitive patterns, within-person expression, and goal-directed dynamics can be described. | Personality; cognitive abilities and aptitudes, vocational interests, and their relations; skills and expertise; Cognitive-Affective Processing System; Whole Trait Theory; Cybernetic Big Five Theory; Big Five Aspect Scales. |
| Collaborative and Therapeutic Assessment | How participants can help set the questions, interpret findings, correct conclusions, and use assessment feedback. | Individualized and collaborative psychological assessment; Therapeutic Assessment; assessment feedback. |
Build a legible, revisable working model of the individual.
Legant combines available assessments and participant-supplied self-descriptions with life history, concrete episodes, behavioural evidence, outside observation, and participant correction. It interprets each source according to the evidence it can supply, then organizes the combined record around the person's recurring characteristics, context-sensitive expression, and way of contributing. The person can challenge and use the model, and later evidence can revise it.
Legant's hypothesized contribution
A participant-owned, continually revised self-model can support better-aligned decisions and flourishing over time.
Legant hypothesizes that a participant-owned, whole-life formulation can organize heterogeneous evidence around a recurring pattern while preserving the complexity relevant to decisions. The proposed value is that the person can understand, challenge, and use the model as later evidence accumulates.
Open questions
- Can multiple, incomplete, and sometimes conflicting sources support a person-specific model that is both accurate enough to guide decisions and legible enough for the person to understand, challenge, and use?
- Where the same evidence can be combined mechanically, does a participant-owned synthesis add predictive accuracy, decision value, comprehension, or sustained use?