Factor structure and specific variance of the WPPSI subtests at ...

Factor structure and specific variance of the WPPSI subtests at six age levels Psychology in rhe Schools 1981. 18, 48-54 FACTOR STRUCTURE AND SPECIFIC VARIANCE OF THE WPPSI SUBTESTS AT SIX AGE LEVELS LES CARLSON AND CECIL R . REYNOLDS The University of Nebraska-Lincoln The Wechsler Preschool and Primary Scale of Intelligence (WPPSI) was factor analyzed at each of six age levels between 4 and 6% years through the method of prin- cipal factors. A two-factor solution, corresponding e