Source Credibility Measures

Source Credibility Measures
McCroskey‚ & Teven‚ 1999
 
Instructions: On the scales below‚ indicate your feelings about your manager (or‚ if not currently employed‚ your most recent supervisor).Numbers 1 and 7 indicate a very strong feeling. Numbers 2 and 6 indicate a strong feeling. Numbers 3 and 5 indicate a fairly weak feeling. Number 4 indicates you are undecided.
1)*                        Intelligent 1 2 3 4 5 6 7 Unintelligent
2)                          Untrained 1 2 3 4 5 6 7 Trained
3)*                Cares about me 1 2 3 4 5 6 7 Doesn’t care about me
4)*                              Honest 1 2 3 4 5 6 7 Dishonest
5)* Has my interests at heart 1 2 3 4 5 6 7 Doesn’t have my interests at heart
6)                     Untrustworthy 1 2 3 4 5 6 7 Trustworthy
7)                              Inexpert 1 2 3 4 5 6 7 Expert
8)                      Self-centered 1 2 3 4 5 6 7 Not self-centered
9)*           Concerned with me 1 2 3 4 5 6 7 Not concerned with me
10)*                       Honorable 1 2 3 4 5 6 7 Dishonorable
11) *                         Informed 1 2 3 4 5 6 7 Uninformed
12)*                                Moral 1 2 3 4 5 6 7 Immoral
13)                      Incompetent 1 2 3 4 5 6 7 Competent
14)                           Unethical 1 2 3 4 5 6 7 Ethical
15)                         Insensitive 1 2 3 4 5 6 7 Sensitive
16)*                                Bright 1 2 3 4 5 6 7 Stupid
17)                                Phony 1 2 3 4 5 6 7 Genuine
18)             Not understanding 1 2 3 4 5 6 7 Understanding 
 competence‚ trustworthiness‚ and goodwill/caring
 
SCORING:To compute your scores‚ add your scores for each item as indicated below:  Recode (*) questions with the following format:
1=7 ‚ 2=6 ‚ 3=5 ‚ 4=4‚ 5=3‚ 6=2‚ 7=1
Competence Factor (1‚ 2‚ 7‚ 11‚ 13‚ and 16)__________
Caring/Goodwill Factor (3‚ 5‚ 8‚ 9‚ 15‚ and 18)__________
Trustworthiness Factor (4‚ 6‚ 10‚ 12‚ 14‚ and 17)__________
 
 

McCroskey‚ J. C.‚ & Mehrley‚ R. S. (1969). The effects of disorganization and nonfluency on attitude change and source credibility. Speech Monographs‚ 36‚ 13-21.

McCroskey‚ James C. (1966) “Scales for the Measurement of Ethos”‚ Speech Monographs‚ 33(1)‚ p.65-72.

McCroskey‚ James C.; Holdrige‚ William; Toomb‚ J. Kevin (1974) “An Instrument for Measuring the Source Credibility of Basic Speech Communication Instructors”‚ Speech Teacher‚ 2‚ p.26-33.

 McCroskey‚ James C.; Young‚ Thomas J. (1981) “Ethos and Credibility: The Construct and Its Measurement After Three Decades”‚ Central States Speech Journal‚ 32(1)‚ p.24-34

McCroskey‚ J. C.‚ &Teven‚ J. J. (1999).Goodwill: A reexamination of the construct and its measurement. Communication Monographs‚ 66‚ 90-103.

Cite this article

mohammad looti (2026). Source Credibility Measures. PSYCHOLOGICAL SCALES. Retrieved from https://scales.arabpsychology.com/s/source-credibility-measures/

mohammad looti. "Source Credibility Measures." PSYCHOLOGICAL SCALES, 25 Apr. 2026, https://scales.arabpsychology.com/s/source-credibility-measures/.

mohammad looti. "Source Credibility Measures." PSYCHOLOGICAL SCALES, 2026. https://scales.arabpsychology.com/s/source-credibility-measures/.

mohammad looti (2026) 'Source Credibility Measures', PSYCHOLOGICAL SCALES. Available at: https://scales.arabpsychology.com/s/source-credibility-measures/.

[1] mohammad looti, "Source Credibility Measures," PSYCHOLOGICAL SCALES, vol. X, no. Y, ص Z-Z, April, 2026.

mohammad looti. Source Credibility Measures. PSYCHOLOGICAL SCALES. 2026;vol(issue):pages.

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