The Parental Stress Scale revisited: Rasch-based construct validity for Danish parents of children 2-18 years old with and without behavioral problems.

In terms of making the correct decision when comparing the parental stress scores for subgroups of parents, the adjustments for DIF in both cases meant that the strongly significant difference between the mean scores of parents from each of the two samples was reduced to being marginally significant ( p = .042), while the strongly significant difference between the mean scores of parents with secondary or less education and parents with tertiary education disappeared.

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