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Concept Clarification-An Example

Suppose you are interested in finding information on:

'self perception of the long-term mentally ill'.

This query has three aspects/concepts: self perception, long term, mentally ill

There are different ways of expressing these, and possibly alternative spellings.

Main Aspects
Alternative Terms Alternative
spellings/forms
1. Self perception Self concept
Self esteem
Concept of self
2. Long term
Chronic
Hospitalised
hospitalized
3. mentally ill
mental disorders,
specific diseases,
e.g.schizophrenia
mental illness


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