Self-Perceived Communication Competence Scale (SPCC)

1.    Present a talk to a group of strangers.
2.    Talk with an acquaintance.
3.    Talk in a large meeting of friends.
4.    Talk in a small group of strangers.
5.    Talk with a friend.
6.    Talk in a large meeting of acquaintances.
7.    Talk with a stranger.
8.    Present a talk to a group of friends.
9.    Talk in a small group of acquaintances.
10.Talk in a large meeting of strangers.
11.Talk in a small group of friends.
12.Present a talk to a group of acquaintances. 
 
Public (alpha .72)‚ Meeting (alpha .68)‚ Group (alpha .67)‚ Dyad (alpha .44)‚ Stranger (alpha .87)‚ Acquaintance (alpha .84)‚ Friend (alpha .78)‚ Total (alpha .92)
 
Presume 0 = completely incompetent and 100 = competent. 
Scoring: To compute the sub scores‚ add the percentages for the items indicated and divide the total by the number indicated below.
Public                           1 + 8 + 12; divide by 3.
Meeting                        3 + 6 + 10; divide by 3.
Group                          4 + 9 + 11; divide by 3.
Dyad                             2 + 5 + 7; divide by 3.
Stranger                       1 + 4 + 7 + 10; divide by 4.
Acquaintance               2 + 6 + 9 + 12; divide by 4.
Friend                          3 + 5 + 8 + 11; divide by 4.
To compute the total SPCC score‚ add the subscores for Stranger‚ Acquaintance‚ and Friend. Then‚ divide that total by 3.
 
 

McCroskey‚ J. C.‚ & McCroskey‚ L. L. (1988). Self-report as an approach to measuring communication competence. Communication Research Reports‚ 5‚ 108-113.