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goods exhibit higher levels of physical intangibility than the generic ones. Across the board, the branded goods also<br />

display higher levels of mental intangibility and generality. Unlike the branded goods, the branded services display<br />

lower levels of generality, physical and mental intangibility. The one exception, the Royal Bank checking account,<br />

exhibits higher levels of generality than the generic option.<br />

[Tables 2 to 4 about here]<br />

4.3.2. Regression analysis: H4 to H13<br />

We used multiple regressions to test the remaining hypotheses, applying the stepwise method in<br />

order to minimize multicollinearity effects. A summary of the results follows:<br />

INTANGIBILITY, KNOWLEDGE, AND INVOLVEMENT WITH DIFFICULTY OF EVALUATION (TABLE 5).<br />

Supporting H4a, H5a, H6a, H9a, and H12a, the results showed the three dimensions of intangibility,<br />

knowledge, and involvement, to be significantly related to difficulty of evaluation.<br />

INTANGIBILITY, KNOWLEDGE, AND INVOLVEMENT WITH PERCEIVED RISK (TABLE 6). We found<br />

support for H4b in that mental intangibility was positively related to all five types of risk, but only partial<br />

support for H5b since generality was only related to social and psychological risk. Contrary to H6b,<br />

physical intangibility was negatively related to social risk. The hypothesized relationship between<br />

knowledge and perceived risk also held for all types of risk, except social risk, providing strong support<br />

for H9b. Likewise for H12b, which was partially supported by virtue of the positive relationship between<br />

involvement and social and financial risk. For time risk, the relationship was found to be negative, in the<br />

opposite direction of what was hypothesized.<br />

MODERATING EFFECTS OF KNOWLEDGE AND INVOLVEMENT: INTANGIBILITY AND DIFFICULTY<br />

OF EVALUATION (TABLE 7). While knowledge interacted with mental intangibility to reduce difficulty of<br />

evaluation, involvement did not interact with any of the three dimensions of intangibility. Hence, H8a<br />

was partially supported, whereas H11a was not.<br />

MODERATING EFFECTS OF KNOWLEDGE AND INVOLVEMENT: INTANGIBILITY AND PERCEIVED<br />

RISK (TABLE 8). Overall, we found partial support for H8b and H11b. Knowledge moderates the<br />

relationship between mental intangibility and social and psychological risk; generality and time risk;<br />

physical intangibility and social risk. Likewise, involvement moderates the relationship between mental<br />

intangibility and social and psychological risk but, the moderating effect follows a different pattern when<br />

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