Multidimensional item response theory (MIRT) models have generated increasing interest in the psychometrics literature. Efficient approaches for estimating MIRT models with dichotomous responses have been developed, but constructing an equally efficient and robust algorithm for polytomous models has received limited attention. To address this gap,…

As participant recruitment and data collection over the Internet have become more common, numerous observers have expressed concern regarding the validity of research conducted in this fashion. One growing method of conducting research over the Internet involves recruiting participants and administering questionnaires over Facebook, the world's…

We propose a general cognitive diagnosis model framework to diagnose mental disorders using item scores obtained from clinical measurement instruments. This framework can be used to validate the extent to which the items measure the specific disorders. The method is illustrated using data obtained with the Dutch version of Millon Clinical…

The Act of the Republic of Indonesia No. 14/2005 on Teachers and Lecturers call for 4 teacher competencies, They are: pedagogical, personality, social, and professional. Those four components of the professional competences for teachers; simultaneously, competence variable determines the quality of teacher performance. These will be critical…

Classroom size, curriculum, and student attendance are all important factors that affect student outcomes, but these factors cannot compare to the classroom teacher's influence on student academic performance. Unfortunately, highly qualified teachers are not equally effective in different school settings. Findings associated with highly effective…

Science education today has become increasingly focused on research into complex natural, social and technological systems. In this study, we examined the development of high-school biology students' systems understanding of the human body, in a three-year longitudinal study. The development of the students' system understanding was evaluated…

This article documents a collaborative project involving preservice early childhood education students' development of inquiry-based learning experiences alongside kindergarten students within a science methods course. To document this project, I utilized a multiple methods approach and data included classroom observations, transcripts from lesson…

The objective of this study was to examine whether continuing education that focuses on service learning could provide older students (over the age of 50) with knowledge and skills that increase their life satisfaction, confidence, and community integration. We also examined whether it could provide them with meaningful and purposeful experiences.…

The purpose of this study is two-fold. First, it investigates the self-images of science teaching held by early childhood pre-service teachers who took constructivism early childhood science education courses. Second, it analyzes what aspects of those courses influenced these images. The participants were eight pre-service teachers who took these…

The article investigates the relationship between time management behaviours and attitudes with measures of creativity, as assessed by self-rated creativity and a measure of creative personality. Additionally, total creativity is examined, as the sum of the two creativity constructs when z-scored. Using data from a survey of 186 participants,…

The Minnesota Mutiphasic Personality Inventory-2 (MMPI-2)-based Personality Psychopathology-Five (PSY-5) scales provide an overview of personality individual differences. Several textbooks and a test report offer instruction on interpreting MMPI-2 PSY-5 scores. On the basis of an earlier item response theory article (S. V. Rouse, M. S. Finger,…

Content analyzed four personality inventories, Eysenck Personality Questionnaire, Minnesota Multiphasic Personality Inventory, California Personality Inventory, and Edwards Personality Preference Schedule to determine whether each item in the four inventories contained situational, temporal, or comparative information. Wide differences appeared…

Evaluates the psychometric properties of two alternative Jungian personality measures, the Singer-Loomis Type Deployment Inventory and the Personal Preferences Self-Description Questionnaire. Evidence suggests that both the measures of Jungian constructs yielded reasonably reliable and valid scores. Asserts that both measures have potential…

Studies the personality traits of carefully defined groups of students in further education colleges and correlates these traits with academic success on unaggregated measures of attainment and with aspects of convergent and divergent thinking. (CT)

Although the same general research principles that guide other investigations should apply to research with the Rorschach Inkblot Method, the nature of the Rorschach as a relatively unstructured measure of personality functioning calls for special attention to selection of research participants, choice of variables, and data collection and…