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The Validity and Reliability Study of the Attitude Scale for the Efficacy of Performance Tasks Used for Primary School Students
(Pegem Akad Yayincilik Egitim Danismanlik Hizmetleri Tic Ltd Sti, 2011) Basbogaoglu, Ugur; Demir, Mehmet
The aim of this research is to develop an attitude scale to measure the efficacy of the performance tasks used as evaluation instruments in the constructivist curriculum as of 2005-2006 school year. This scale is aimed to be used to evaluate the efficacy of the performance tasks used in 4th and 5th grades of primary schools based on teacher views. The instrument is a likert scale with one-factor structure. The pilot study for the development of the scale was conducted on 152 teachers working in 34 primary schools. To test the construct validity of the scale, a factor analysis was done with 49 items in the trial form. The results from the factor analysis showed that factor loadings of the items in relevant factors varied between.55 and.75 and they explained 66% of the total variance. The reliability coefficient of the scale was estimated as (alpha).75. As a result of the factor analysis factor loadings were found very high and no items were discarded as the items explained the total varience. The final version of the scale was administered on 388 classroom teachers. The reliability coefficient of this second scale was found (alpha).92. These findings represent significant proofs for the validity and reliability of the scale.