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Hypotheses Results<br />

H1: The degree of generality associated with generic category- H1 is supported for services<br />

level choices is higher than it is for brand-level choices. H1 is not supported for goods<br />

H2: The degree of mental intangibility associated with H2 is supported for services<br />

generic category-level choices is higher than it is for brandlevel<br />

choices.<br />

H2 is not supported for goods<br />

H3: The degree of physical intangibility associated with<br />

generic category-level choices is a) higher than it is for<br />

brand-level choices of services and b) similar to it for<br />

brand-level choices of products.<br />

H3a is supported for services<br />

H3b is not supported for goods<br />

H4: The more mentally intangible a product/service is, a) the more H4a is supported<br />

difficult it is to evaluate and b) the more risky it is perceived. H4b is supported (all 5 types of risk) �<br />

H5: The more general a product/service is, a) the more difficult it is H5a is supported<br />

to evaluate and b) the more risky it is perceived. H5b is partially supported (social and psychological risk) �<br />

H6: The more physically intangible a product/service is, a) the H6a is supported<br />

more difficult it is to evaluate and b) the more risky it is perceived. H6b is not supported<br />

H7: The impact of intangibility on a) difficulty of evaluation and b) H7a is Physical intangibility �<br />

perceived risk is greater for generic-category level choice than partially Generality �<br />

brand-level choice.<br />

supported Mental intangibility �<br />

H7b is Physical intangibility<br />

partially (social, financial, and performance risk) �<br />

supported Generality (all 5 types of risk) �<br />

Mental intangibility (social risk) �<br />

H8: Knowledge moderates the relationships between the three H8a is Physical intangibility �<br />

dimensions of intangibility (i.e., generality, physical intangibility partially Generality �<br />

and mentally intangibility) and a) difficulty of evaluation and b)<br />

perceived risk.<br />

supported<br />

H8b is<br />

Mental intangibility �<br />

Physical intangibility (social risk) �<br />

partially Generality (time risk) �<br />

supported Mental intangibility (social and psychological risk) �<br />

H9: The more knowledgeable a consumer perceives himself to be H9a is supported<br />

regarding a product/service a) the less difficult it is to evaluate it<br />

and b) the less risky it is perceived.<br />

H9b is partially supported<br />

(psychological, financial, performance, and time risk) �<br />

H10: The moderating effects of knowledge on a) difficulty of H10a is not supported<br />

evaluation and b) perceived risk at the generic level are greater than<br />

those at the brand level.<br />

H10b is<br />

partially<br />

supported<br />

Physical intangibility (social and performance risk) �<br />

Generality (social and psychological risk) �<br />

Mental intangibility (performance risk) �<br />

H11: Involvement moderates the relationships between the three<br />

dimensions of intangibility (i.e., generality, physical intangibility,<br />

and mental intangibility) and a) difficulty of evaluation and b)<br />

perceived risk.<br />

H12: The more involving a product/service is for a consumer, a)<br />

the more difficult it is to evaluate it and b) the more risky it is<br />

perceived.<br />

H13: The moderating effects of involvement on a) difficulty of<br />

evaluation and b) perceived risk at the generic level are greater than<br />

those at the brand level.<br />

�: hypothesis supported �: hypothesis not supported<br />

H 11a is not supported<br />

H11b is<br />

partially<br />

supported<br />

Physical intangibility (social, psychological, financial,<br />

and performance risk) �<br />

Generality (social and time risk) �<br />

Mental intangibility (social and psychological risk) �<br />

H12a is supported<br />

H12b is partially supported (social and financial risk) �<br />

H13a is Physical intangibility �<br />

partially Generality �<br />

supported Mental intangibility �<br />

H13b is Physical intangibility<br />

partially (psychological, financial, and time risk ) �<br />

supported Generality �<br />

Mental intangibility<br />

(social, psychological, financial, and time risk) �<br />

109

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