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Cash or Card: Consumer Perceptions of Payment Modes - Scholarly ...

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Table 6.3: Coefficient Alpha After Initial Item Purification<br />

97<br />

Constructs Cronbach Alpha<br />

Positive Emotions 0.859<br />

Negative Emotions 0.683<br />

Spending Control 0.699<br />

Behaviour 0.687<br />

Gift 0.795<br />

Status/pleasure 0.713<br />

Overall Average 0.739<br />

6.4: Testing and Finalising: Pre-Test two<br />

The item purification process in pre-test one resulted in 49 items standing the test <strong>of</strong><br />

reliability (See Exhibit 6.5). Three weeks later the revised questionnaire was administered to<br />

259 students who also participated in pre-test one. The sample size f<strong>or</strong> pre-tests one and two<br />

show variable to observation ratios <strong>of</strong> 1:4.9 (67:331) and 1:5.8 (49:259) respectively. Flynn<br />

and Pearcy (2001) recommend a variable-to-observation ratio ranging from 1:4 to at least<br />

1:10 f<strong>or</strong> each set <strong>of</strong> scales to be fact<strong>or</strong> analysed. Hair, Black, Babin, Anderson and Tatham<br />

(2006) suggest that at this sample size only loading <strong>of</strong> ± 0.50 <strong>or</strong> greater should be considered<br />

statistically significant.

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