Study McGrade (1968): study US 1963
- Public
- Infants followed from birth to 8 month, USA, 196?
- Sample
- Respondents
- N = 24
- Non Response
- 46% unattainable.
- Assessment
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Questionnaire: Paper & Pencil Interview (PAPI)
Mailed questionnaire and peerratings
Correlate
- Authors's Label
- Tension
- Our Classification
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-
- Operationalization
- Examination by psychologist. Rated on 8-point scale. (Tension rating scale, from Bayley Infant Behaviour Profile).