According to Mittal (1989), PDI is defined as the interest that a consumer bears to make a purchase decision. In this regard, the PDI scale is devised which is a four-item measure on 7-point bipolar phrases. The PDI score is calculated by adding all the item scores and dividing the score by four.
Reliability and Validity:
Convergent, discriminant, and criterion validity are assessed. Correlations with a measure of consumer information search revealed criterion validity. Test-retest reliability and factor loadings could be offered.
Administration, Analysis and Reporting
Statswork comprises a team of professional statisticians which can obliged the professional or student researcher in support to fill the survey instrument, gathering the information, organising the analysis and describing the results.
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