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. 2008 Jan 25;8:7. doi: 10.1186/1471-244X-8-7

Table 1.

Reliability of the SAPAS

Four months test-retest reliability Internal consistency
Kappa Kappa with different interviewers Item-total correlation Alpha if deleted

N 31 23 58
Difficulty making and keeping friends 0.53 0.47 0.41 0.57
Usually a loner 0.58 0.51 0.31 0.60
Trusts people 0.58 0.53 0.47 0.55
Normally loses temper easily 0.32 0.32 0.27 0.61
Normally impulsive 0.50 0.58 0.20 0.63
Normally a worrier 0.26 0.25 0.30 0.60
Normally dependent 0.32 0.27 0.35 0.59
Perfectionist 0.50 0.57 0.29 0.61