Psychometric characteristics of the Child Occupational Self-Assessment (COSA), Part Two: Refining the psychometric properties

This article refers to:

Psychometric characteristics of the Child Occupational Self-Assessment (COSA), Part Two: Refining the psychometric properties

Scandinavian Journal of Occupational Therapy, 2005; 12(4), 147-158

It has come to our attention that there is an error in Table II on page 151 of the article. This error is in the row entitled “Good at doing” and column “Step measure”. This should be a positive value (0.85) not a negative number.

Table II. Frequencies, fit statistics and step measures for the competence ratings

Response category	Observed count	Observed average measure	Outfit MnSq	Step measure
1—Big problem	111	–0.45	1.05	None
2—Little problem	243	0.07	0.84	–0.94
3—Ok at doing	318	0.72	1.12	0.09
4—Good at doing	258	1.28	1.03	0.85

The corrected version of the table is shown below.