Theory of Planned Behavior Variable measure (Enosh, 2007

Aspects of planned behaviour which predict sexual coercion in middle adolescents; 28 Items / 4-16 Item subscales, Ages 16-17
  • Populations: Middle Adolescents
  • Age ranges: 16-17
  • Languages: English
  • Countries: Israel

Items

Subscales

  • Attitude, 8 Items
  • Peer Norms, 16 Items
  • Perceived-Control, 4 Items

Example Items

  • “If a couple goes on a date, and the boy is initiating a sexual intercourse with the girl, and she is resisting, should he persist?”
  • “To what degree do you think your close friends believe that if a [boy/girl] initiates a [make-out/sexual intercourse] and the [boy/girl partner] [is passive/resists], s/he should persist”
  • “if [I/my-partner] initiate a sexual act (make-out or intercourse), and [my-partner is not/I am not] interested, I can always stop it”

Responses

Items used a 5 point Likert-type scale, 0 = should certainly not, 4 = should certainly persist.

Scoring

Attitude

  • All items were averaged in order to create one variable

Peer Norms

  • All items were averaged in order to create one variable. 

Perceived Control

  • Not reported

Citations

Enosh, G. (2007). Cognition or involvement? Explaining sexual-coercion in high-school dating. Sexual Abuse, 19(3), 311-329. https://doi.org/10.1007/s11194-007-9050-7

Team comments

The Perceived Control subscale did not reach our threshold for adequacy in terms of internal consistency.

Scoring breakdown

Measure development

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

Validity

  • Green: Face validity
  • Unknown: Convergent validity
  • Unknown: 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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