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. 2023 Feb 7;18(5):926–932. doi: 10.1016/j.jtumed.2023.01.012

Table 1.

Item-wise score for the 20 items of the Clance Imposter Phenomenon Scale.

Item No Question Statement Mean ± Standard Deviation
1 I have often succeeded on a test or task even though I was afraid that I would not do well before I undertook the task. 3.43 ± 1.11
2 I can give impression that I'm more competent than I really am. 3.21 ± 1.13
3 I avoid evaluations if possible and have a dread of others evaluating me. 2.50 ± 1.33
4 When people praise me for something I've accomplished, I'm afraid I won't be able to live up to their expectations of me in the future. 2.96 ± 1.38
5 I sometime feel I obtained my present position or gained my present success because I happened to be in the right place at the right time or knew the right people. 2.96 ± 1.37
6 I'm afraid people important to me may find out that I'm not as capable as they think I am. 3.07 ± 1.40
7 I tend to remember the incident in which I have not done my best more than those times I have done my best. 3.45 ± 1.34
8 I rarely do a project or task as well as I'd like to do it. 2.80 ± 1.14
9 Sometimes I feel or believe that my success in my life or in my job has been the result of some kind of error 1.65 ± 1.02
10 It's hard for me to take compliments or praise about my intelligence or accomplishments. 2.70 ± 1.30
11 At times, I feel my success has been due to some kind of luck. 2.49 ± 1.26
12 I'm disappointed at times in my present accomplishments and think I should have accomplished much more. 3.59 ± 1.30
13 Sometimes I'm afraid other's will discover how much knowledge or ability I really lack. 2.97 ± 1.38
14 I'm often afraid that I may fail at a new assignment or undertaking even though I generally do well at what I attempt. 3.30 ± 1.03
15 When I've succeeded at something and received recognition for my accomplishments, I have doubts that I can keep repeating that success. 2.81 ± 1.45
16 If I receive a great deal of praise and recognition for something I've accomplished, I tend to discount the importance of what I've done. 2.42 ± 1.30
17 I often compare my ability to those around me and think they may be more intelligent than I am. 3.18 ± 1.36
18 I often worry about not succeeding with a project or examination, even though others around me have considerable confidence that I will do well. 3.18 ± 1.18
19 If I'm going to receive a promotion or gain recognition of some kind, I hesitate to tell others until it is an accomplished fact. 3.40 ± 1.06
20 I feel bad and discouraged if I'm not “the best” or at least “very special” in situations that involve achievement. 3.46 ± 1.23