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Discussion

High positive correlation between self-report and observer report on personality questionnaire indicates :

  • A.High reliability of self-report measure
  • B.High reliability of other report measure
  • C.Normative use of other report measure
  • D.Validity of self-report measure

Answer: D

A high correlation between self-report and observer report indicates the validity of the self-report measure.

When two different methods, the person's own report and the ratings of someone who knows them, agree closely on the same trait, that agreement is evidence of convergent validity: the self-report is measuring the trait it claims to measure, not merely the person's self-image.

Reliability is consistency of the same measure across time, forms or items, so a correlation between two different sources is not evidence of either measure's reliability as such. 'Normative use' of observer reports is unrelated to the correlation.

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