Table 1.

Dimensions of source credibility.

	Dimensions of source credibility
Scholars (year)	Expertise	reliability	Dynamism	Attractiveness	Ability	Trustworthiness	Sociability	Objectiveness	Affinity/Accessibility/Agreeableness	Safety	Qualification	Care	Values
Bowers and Phillips (1967) [17]		★			★
Whitehead (1968) [23]		★	★		★			★
Berlo, Lemert and Mertz (1969) [16]			★							★	★
Applbaum and Anatol (1972) [14]	★	★	★					★
Simpson and Kahler (1980) [22]	★		★			★	★
DeSarbo and Harshman (1985) [18]	★	★		★					★
Wynn (1987) [24]	★		★			★	★
Ohanian (1990) [12]	★	★		★
Johnson (1999) [36]					★							★	★
Lafferty and Goldsmith (1999) [20]	★	★
Belch and Belch (2001) [15]	★	★
Kiecker and Cowles (2002) [19]	★	★		★
Pornpitakpan (2003) [21]	★	★		★
total	10	10	5	4	3	2	2	2	2	1	1	1	1