About the Measure

Domains Mental health and wellbeing, Perceptions of Self
Key stages Key Stage 3, Key Stage 4, Key Stage 5
Subscales Impulse control; Emotional tone; Body image; Social relationships; Morals; Sexual attitudes; Family relationships; Mastery of the external world; Vocational and educational goals; Emotional health; Superior adjustment; Idealism
Description It is a questionnaire designed to assess the personality traits of a person, that can be used to select a group of adolescent who are characterised by a particular range of personality features.
Example I am proud of my body
Link https://books.google.co.uk/books?id=QCXaAAAAMAAJ&q=the+adolescent:+A+psychological+self-portrait&dq=the+adolescent:+A+psychological+self-portrait&hl=en&sa=X&redir_esc=y

Implementation details

No. of items 130
Format Likert
Respondent Self
Scoring Standardised
Time 0
Age 13-19
Cost single purchase $7.89
Cost per child -

Psychometric details

UK norms No
Cronbach's α .65-.89
Test retest 3 weeks, r= [.41,.84]
Inter-rater reliability Not reported
EFA 5-factor oblique
CFA Single-factor Higher-order 5 lower-order factors model
Chi-square(32)= 64.78
CFI= .98
RMSEA = .07
SRMR= 0.03
Criterion validity Not reported
Construct validity r= [-.68,-.38] with depression; r= [-.05,.36] with ego development
Concurrent validity Not reported
Predictive validity Not reported
Responsiveness Not reported
Floor/Ceiling Not reported
References Eila Laukkanen, Pirjo Halonen, Anne. (2000). Construct validity of the Offer Self-Image Questionnaire in Finnish 13-year-old adolescents: Differences in the self-images of boys and girls. Nordic Journal of Psychiatry, 54(6), 431–435. doi:10.1080/080394800750061423
Lindfors, K., Elovainio, M., Sinkkonen, J., Aalberg, V., & Vuorinen, R. (2005). Construct validity of the Offer Self-Image Questionnaire and its relationship with self-esteem, depression, and ego development. Journal of Youth and Adolescence, 34(4), 389–400. doi:10.1007/s10964-005-5769-y