Price, S; (2016) Psychometric Properties of the Adolescent Story Stem Profile. Doctoral thesis , UCL (University College London).

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Abstract

Aims: Our understanding of adolescent attachment representations is limited, largely due to the lack measures which exist to assess attachment in this developmental period. The current study aimed to explore the psychometric properties and clinical utility of the Adolescent Story Stem Profile (ASSP); an online measure of internal representations, adapted from narrative story-stem techniques. Methods: A community sample of 253 adolescents in mainstream secondary schools completed the ASSP, and their responses were used to assess the ASSP’s ability to predict self- and teacher-rated difficulties as measured by the SDQ and CGAS. Responses of a clinical sample of 32 adolescents in residential or foster care were compared to those of an age- and gender-matched subset of the community sample. Results: The factor structure of the ASSP was analysed using principal component analysis, revealing a four-factor model. These factors were found to predict responses on two of the five SDQ subscales, but not the total SDQ difficulties or the CGAS. Scores on two of the four factors were found to differ significantly in the clinical sample when compared to the subset of the community sample. Conclusions: The ASSP shows promising results in its ability to measure the attachment representations of adolescents, however improvements could be made. This are discussed with reference to the limitations of the study, and suggestions for future work are made.

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