Source Credibility Measures

Source Credibility Measures
McCroskey‚ & Teven‚ 1999
اندازه گیری معتبر بودن منبع
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 
شرح سایت روان سنجی: اگرچه جستار اعتبار منبع به ارسطو باز می گردد ولی اندازه گیری اعتبار منبع پس از جنگ جهانی دوم مورد توجه قرار گرفت. این ابزار سه نمره جداگانه "تعهد"، " حسن نیت" و "امانت" دارد.
 competence‚ trustworthiness‚ and goodwill/caring
اعتبار: آلفا کرونباخ بین 0.80 و 0.94
نمره گذاری: ماده ها به صورت افتراق معنایی ارائه شده اند.
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)__________
چگونگی دستیابی
منبع برای آگاهی بیشتر
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.