Validity, Reliability and Factor Structure of The Life Attitude Profile-Revised (LAP-R)
International Journal of Applied Behavioral Sciences,
Vol. 8 No. 2 (2021),
18 July 2021
Introduction: Considering the importance of meaning of life and its role in mental health, the
purpose of the current study is to examine the psychometric properties of LAP-R, an instrument that
measures the meaning of life on the extensive components.
Method: 500 students from different levels of education of Shahed University of Tehran were
selected by proportional sampling method and after translating and retranslating of LAP-R,
responded to LAP-R with the Spirituality Assessment Inventory (SAI), the Self-Esteem Rating
Scale- Short Form (SERS-SF) and the Positive Affect and Negative Affect Scale (PANAS). After
performing the questionnaires, the results of validity and reliability of LAP-R were analyzed by
Result: As the results of current study showed, there was a high correlation between many
subscales of LAP-R with SAI, SERF-SF and PANAS. Also, the Cronbach's alpha coefficient and
the correlation between the test-retest of LAP-R was appropriate (P<0.01). The correlation of the
test-retest of this scale ranged from 0.61 to 0.81(P<0.01). Also, Cronbach’s alpha coefficients of
the subscales and the overall score of this scale ranged from 0.65 to 0.86.
Conclusion: Considering the appropriate correlation of LAP-R with other scales as well as the
results of test-retest correlation and Cronbach`s alpha, it can be said that this questionnaire has
appropriate validity and reliability.
Declaration of Interest: None
- Meaning, Validity, Reliability, Life Attitude Profile
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