Purpose: The goal of the study was to test an intervention using a brief essay as an instrument for evaluating higher-order information literacy skills in college students, while accounting for prior conditions such as socioeconomic status and prior academic achievement, and identify other predictors of information literacy through an evaluation…

This paper aims to analyse the fit between the "use" and "usefulness" of the EIKEN Grade 1 test as a valid and reliable instrument to measure second language proficiency. The recent re-positioning of the EIKEN Grade 1 test as an internationally recognised higher stakes test of English proficiency, which allows successful test…

Extreme linkings are performed in settings in which neither equivalent groups nor anchor material is available to link scores on two assessments. Examples of extreme linkages include links between scores on tests administered in different languages or between scores on tests administered across disability groups. The strength of interpretation…

The Ritvo Autism Asperger Diagnostic Scale-Revised (RAADS-R) is a valid and reliable instrument to assist the diagnosis of adults with Autism Spectrum Disorders (ASD). The 80-question scale was administered to 779 subjects (201 ASD and 578 comparisons). All ASD subjects met inclusion criteria: DSM-IV-TR, ADI/ADOS diagnoses and standardized IQ…

For children and adolescents with cerebral palsy (CP) classified as Gross Motor Function Classification System (GMFCS) level III there is no running-based field test available to assess their cardiorespiratory fitness. The current study investigated whether a shuttle run test can be reliably (test-retest) performed in a group of children with…

The aim of this study was to develop the scale to assess irrational beliefs of parents and test its psychometric properties. The research sample was comprised of parents whose children were attending primary schools. The results from the factor analysis were used to determine two factors in the scale: Expectations and Perfectionism. To examine the…

In this paper, the author aims to provide novice researchers with an understanding of the general problem of validity in social science research and to acquaint them with approaches to developing strong support for the validity of their research. She provides insight into these two important concepts, namely (1) validity; and (2) reliability, and…

The DSM-V-committee has recently published proposed diagnostic criteria for autism spectrum disorders. We examine these criteria in some detail. We believe that the DSM-committee has overlooked a number of important issues, including social imagination, diagnosis in infancy and adulthood, and the possibility that girls and women with autism may…

When taking a standardized test, one wants it to be fair and objective. Catherine McClellan makes sure that it is. Catherine is a psychometrician. Like many in this occupation, she designs, scores, and analyzes data from exams. Psychometrics is the science of measuring psychological attributes, such as intelligence or understanding. Tests are one…

In this study, I investigated the reliability of the U.S. Naturalization Test's civics component by asking 414 individuals to take a mock U.S. citizenship test comprising civics test questions. Using an incomplete block design of six forms with 16 nonoverlapping items and four anchor items on each form (the anchors connected the six subsets of…

Research suggests that executive function (EF) may distinguish between children who are well- or ill-prepared for kindergarten; however, little is known about the test-retest reliability of measures of EF for children. We aimed to establish a battery of EF measures that are sensitive to both development and individual differences across the…

Science process skills are claimed to enable an individual to improve their own life visions and give a scientific view/literacy as a standard of their understanding about the nature of science. The main purpose of this study was to develop a test for measuring a valid, reliable and practical test for Science Process Skills (SPS) in secondary…

The vast majority of second language teachers feels confident about their instructional performance and does not usually have much difficulty with their teaching thanks to their professional training and accumulated classroom experience. Nonetheless, many second language teachers may not have received sufficient training in test development to…

The purpose of this study was to examine the validity and reliability of the Teacher School-Age Temperament Inventory (T-SATI) which is an adaptation of a parent version of the tool. A principal factor analysis using varimax rotation was performed on data provided by 143 teachers who reported on their 261 elementary school students. The results…

This study validated the four mathematics tests of the Spanish version of the Woodcock-Johnson III (WJ-III) Achievement (ACH) battery for use in the first six grades of school in Spain. Developmental effects and gender differences were also examined. Participants were a normal population sample of 424 (216 boys) children aged 6 to 13 years.…