“…A factor analysis involving responses from 2,000 inventories representing culturally diverse grandparents, parents, and grandchildren determined that the underlying structure matches the hypothesized dimensions suggested by position of 60 items of six scales. A solution set at six factors yielded the best fit, accounting for 49% of the variance (Collinsworth, Strom, Strom, & Young, 1991;Strom & Strom, 1993). …”