Postponing Sexual Initiation Scale (Kahn et al., 2004)

Influences on decisions related to sexual abstinence in adolescents; 12 Items, Ages 11-19
  • Populations: Children, Adolescents, and Young Adults who have not had sexual intercourse
  • Age ranges: 11-19
  • Languages: English
  • Countries: United States

Items

Items taken from a data reporting table, and may not accurately represent precise wording in measure presentation:

  • Don’t want to get pregnant
  • Don’t want STD
  • Not ready for sex
  • Mother/father against
  • Don’t want to get bad reputation
  • Against my beliefs to have sex before marriage
  • Have not met the right person
  • Doctor/nurse against
  • Friends not having sex
  • Partner doesn’t want to have sex
  • No one has asked
  • Don’t know how to get birth control

 

Responses

Items used a 3 point Likert-type scale, 0 “not at all important” or “does not apply to me,” 1 “somewhat important,” 2 “very important”

Scoring

“values of individual items were summed for a total scale score, which could range from 0 to 24.” (Kahn et al., 2004)

Citations

Kahn, J. A., Huang, B., Austin, S. B., Aweh, G. N., Colditz, G. A., & Frazier, A. L. (2004). Development of a scale to measure adolescents’ beliefs and attitudes about postponing sexual initiation. Journal of Adolescent Health, 35(5), 425.e1-425.10. https://doi.org/10.1016/S1054-139X(04)00075-8

Scoring breakdown

Measure development

  • Significant design input from young people
  • Cognitive interviews with young people
  • Expert input

Validity

  • Red: Face validity
  • Green: Convergent validity
  • Green: Construct validity

Reliability

  • Green: Internal consistency
  • Unknown: Test-retest

Ease of use

  • Unknown: Readability

Definitions

Face validity: How well a measure appears to represent the construct it is supposed to be measuring.

Convergent validity: How well a measure correlates with other hypothetically-related measures.

Construct validity: The extent to which a measure reflects the construct it was designed to evaluate.

Internal consistency: The extent to which items in a scale capture aspects of the same construct.

Test-retest: The degree to which measurement scores are consistent over a short period of time (usually 2 weeks).

Readability: The ease with which a reader can understand the questionnaire items.

Key

  • Green: Meets validation criteria
  • Red: Does not meet validation criteria
  • Unknown: Evidence not available

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