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The psychometric properties of the Persistent Effort Test (PET) measuring the personality trait of persistence
Karlstad University, Faculty of Economic Sciences, Communication and IT, Department of Psychology.
1996 (English)In: Perceptual and Motor Skills, 83, 979-986Article in journal (Refereed)
Abstract [en]

A test measuring the behavioral aspects of the personality trait of persistence,

The Persistent Effort Test, was constructed and psychometric properties assessed. The

original version consisted of twelve items, each one a nonsense block of six letters. The

task of 9 men and 9 women was to construct as many correct Swedish words as possible

from letter combinations. The total time spent on this task and the number of correct

words constituted the dependent variables. A Persistence Effort Quotient was calculated.

The reliability, calculated on the quotient for the 12-item version was acceptable

(Cronbach alpha = 0.86) and an item analysis indicated that the test could be shortened

by six items with increased reliability (Cronbach alpha = 0.87). A validity analysis also

using the quotient performed with a second sample of subjects using classmatesÕ ratings

on two separate rating scales of specific aspects of persistence, yielded acceptable

levels of validity (Pearson r = 0.69 for the first scale and 0.71 for the second scale). This

indicates that the shortened 6-item version is a reliable and valid test of persistence even

though it is necessary with more studies in order to further address the issues of predictive

validity and norms for different groups of people

Place, publisher, year, edition, pages
1996.
National Category
Psychology
Research subject
Psychology
Identifiers
URN: urn:nbn:se:kau:diva-24702OAI: oai:DiVA.org:kau-24702DiVA, id: diva2:598472
Available from: 2013-01-22 Created: 2013-01-22 Last updated: 2013-01-22

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Norlander, Torsten

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