Because ignoring the missing data in an evaluation may lead to results that are questionable, this study investigated the effects of use of four missing data handling techniques on a survey instrument. A questionnaire containing 35 5-point Likert-style questions was completed by 384 respondents. Of these, 166 (43%) questionnaires contained 1 or…

This study described an explicit multidimensional scaling (MDS) model for profile data, the Profile Analysis via Multidimensional Scaling (PAMS) model. It also illustrated the application of this model to the study of the structure of cognitive ability patterns using the Woodcock-Johnson Psychoeducational Battery-Revised (WJPB-R; 1989; 1991) and…

The primary goal of this study was to investigate the underlying structure of the Differential Ability Scales (DAS) using Exploratory Principal Axis Factoring (PAF) with 62 nonclinical preschoolers. While previous factor analyses of the DAS Core subtests revealed the derivation of two distinct factors, the current results revealed only one factor,…

Purposes of this study were to develop an instrument to measure the attitudes of teachers toward the use of instructional television and to administer this instrument to a group of elementary teachers that use the medium on a regular basis. (Author)

Research examined the conception of achievement motivation as a unitary construct. (Author)

Study examined the hypothesis that individual differences are unrelated to types of imaging, and the interrelation of imagery modalities as measured by different assessment devices. (Authors/MB)

Aim of the study is to assess empirically the interrelationships among some of Piaget's and Gesell's behavioral tasks. (Author)

Three methods of assessing college environment (student perceptions, student self-reports, and objective institutional data) were compared by use of multimethod factor analysis, a new technique which removes method variance by focusing on correlations between rather than within methods of measurement. (CK)

The oblimax, promax, maxplane, and Harris-Kaiser techniques are compared. (Author)

The usefulness of the Woodcock-Johnson Psycho-Educational Battery (W-J) to assess learning disabled (LD) children was assessed. The W-J factor clusters could not be replicated with this LD sample, and little evidence was found of the validity of either the cognitive factor clusters or the aptitude factor clusters. (Author/SEW)

Maternal alcohol use in mid-pregnancy was significantly related to poorer habituation and increased low arousal in newborn infants, even after adjusting for smoking and caffeine use by mothers, maternal age and nutrition during pregnancy, sex and age of the infant, and obstetric medication. (Author/RH)

Data from the responses of 104 medical and rehabilitation students to the Attitudes toward Disabled Persons Scale-Form B (ATDP-B) were factor analyzed using a principal components solution, with particular attention to the problem of the number of factors to retain. Research supports ATDP-B use as a unidimensional measure. (Author/PN)