This scale has eight, seven-point Likert-type statements that measure a person's general sense of uncertainty about his/her competence. The scale was called personal insecurity by Rindfleisch, Burroughs, and Wong (2009).
The scale is composed of six, seven-point Likert-type statements that are intended to measure the degree to which a person is worried about his/her close personal relationships with other individuals such that growing closer to them will lead to them drawing away. The scale was called developmental insecurity by Rindfleisch, Burroughs, and Wong (2009).
The degree of confidence a person has in his/her own abilities is measured with a five-item, five-point Likert-type scale.
This Likert-type scale measures the perception of one's self as a leader and having confidence. A four-item version of this scale was used by Davis and Rubin (1983) and referred to as self-confidence/leadership. A shorter, three-item version was utilized by Lumpkin and Hunt (1989).
This scale is a seven-item, seven-point measure of the amount of confidence a consumer has in "personal independent" sources (relative or friend) as well as "personal advocate" sources (store manager or employee).
A five-item, seven-point Likert-type scale is used to measure the degree of familiarity a consumer has with shopping for a specified product.
The scale is composed of four, seven-point Likert-type items that measure a consumer's perceived knowledge of brands in a specified product category as well as the confidence to make purchase decisions and give advice to others about the product class.
A three-item, seven-point scale is used to assess the ease of using a computer to perform some task that a person reports experiencing.
A three-item, eleven-point scale is used to provide an idea about the certainty with which a consumer perceives he/she has been able to accurately reflect his/her evaluation of a brand.
This three-item, seven-point scale is intended to measure the certainty with which a consumer perceives he/she has been able to reflect his/her evaluation of a soft drink accurately.

