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The Marketing Scales website is a gold mine of information.  It is the only source that helps me understand the psychometric quality of the instruments used in past research.  I recommend that researchers bookmark this site . . . they will be back!
Bob Moritz
Marshfield Clinic Research Foundation


The scale is purported to measure the perceived degree of performance risk associated with a specified product. Performance risk has to do with the uncertainty and consequences of a product failing to function at some expected level.

This four-item, seven-point Likert-type scale is intended to measure a person's attitude about companies asking him/her for personal information.

Three, nine-point items are used to measure a consumer's level of concern about the consequences of the choice being made in a particular purchase decision. The scale was called PDI (product-decision involvement) by Mittal (1989) and Kim and Morris (2009).

This seven item, seven-point Likert-type scale measures the degree to which a person views various online activities as potential threats to one's security and/or privacy, particularly when buying products.

This scale is intended to measure the extent to which a person engages in a detrimental amount and form of gambling. There were two versions of the scale as explained below. Cowley (2008) referred to both versions of the scale as PIP (potentially irresponsible playing).

Six, seven-point Likert-type items are used in this scale to measure the degree to which a person consciously considers potential consequences before making decisions including their likelihood and significance.

Three, seven-point semantic-differentials are used to measure the degree to which a consumer believes that a product will function well and as it is intended to.

This three item, seven-point scale is intended to measure the degree to which a person who is participating in some sort of a gamble is experiencing stress about not winning.

The scale is composed of five, seven-point Likert-type statements that measure the degree to which a person believes that a certain product is "public" in the sense that if he/she were to purchase and use it others would be aware of it. DelVecchio and Smith (2005) referred to the scale as social risk - evaluation by others.

Three statements are used in this scale to measure how secure a person feels about engaging in various financial transactions online. The scale was called security risk perceptions by Montoya-Weiss, Voss, and Grewal (2003).