Missing data in scientific research go hand in hand with assumptions about the nature of the missingness. When dealing with missing values, a set of beliefs has to be formulated about the extent to which the observed data may also hold for the missing parts of the data. It is vital that the validity of these missingness assumptions is verified,…

The aim of this research is to develop an instrument that measures environmental attitudes of third grade students. The study was completed in six stages: creating scale items, content validity study, item total and remaining item correlation study, determining item discrimination, determining construct validity study and examining the internal…

Background: Determining individuals' views of the nature of science is quite important for researchers since it is both a component of scientific literacy and a fundamental aim of science education. Purpose: This study aims to develop a NOSvs for assessing prospective teachers' views of the nature of science and to analyse their psychometric…

The purpose of this study is to validate a multidimensional measure assessing attitudes toward education for older adults. As the elderly population and the demands of education among older adults have increased, the engagement of social workers in educational settings for older adults has also increased. Therefore, assessing social workers'…

The purpose of this replication study is to test the validity of the Adolescent Domain Screening Inventory (ADSI) on an older adolescent population. This cross sectional study used a convenience sample to preliminarily test the validity of the ADSI. Concurrent validity correlations ranged from a high of 0.924 to a low of 0.760. The known…

Objectives: The purpose of this study was to examine the construct and predictive validity of the Adult-Adolescent Parenting Inventory (AAPI-2). Methods: The validity of the AAPI-2 was evaluated using multiple statistical methods, including exploratory factor analysis, confirmatory factor analysis, and latent class analysis. These analyses were…

Wording effects associated with positively and negatively worded items have been found in many scales. Such effects may threaten construct validity and introduce systematic bias in the interpretation of results. A variety of models have been applied to address wording effects, such as the correlated uniqueness model and the correlated traits and…

"Women's Mental Health Questionnaire" (W-MHQ) assesses females' adult mental health concerns, and examines their associations with specified father-daughter childhood relationships. Presented are W-MHQ item and scale development, and psychometric findings drawn from factor analyses, reliability assessments, and validation processes. For…

Purpose: This study was aimed at establishing, through the validation of the "Teaching and Learning Guiding Principles Instrument" (TLGPI), the validity and reliability of the underlying factor structure of the Teaching and Learning Guiding Principles (TLGP) generated by a previous study. Method: A survey method was used to collect data…

Purpose: This study examines the psychometric properties of the Teamwork Scale for Youth, an assessment designed to measure youths' perceptions of their teamwork competency. Methods: The Teamwork Scale for Youth was administered to a sample of 460 youths. Confirmatory factor analyses examined the factor structure and measurement invariance of the…

Pragmatics has been a key component of language competence frameworks. While the majority of second/foreign language (L2) pragmatics tests have targeted productive skills, the assessment of receptive pragmatic skills remains a developing field. This study explores validation evidence for a test of receptive L2 pragmatic ability called the American…

This article reports on the updating and validation of a questionnaire for vocabulary learning strategies. An English as a second language (ESL) version of the "Vocabulary Learning Questionnaire" (VLQ), first published in Gu and Johnson (1996), was created based on its latest version. Two response formats were piloted, that is, a paper…

English language programmes provide established pathways for international students seeking university admission in countries such as Australia and the United Kingdom. In order to refer international applicants to appropriate levels and durations of English language support prior to matriculation into their main course of study, pathway providers…

This study aims to construct and validate the Career and Educational Decision Self-Efficacy Inventory for Secondary Students (CEDSIS) by using a sample of 2,631 students in Hong Kong. Principal component analysis yielded a three-factor structure, which demonstrated good model fit in confirmatory factor analysis. High reliability was found for the…

This study reported the development and initial validation of the Survey of Parent/Provider Expectations and Knowledge (SPEAK), a self-administered questionnaire assessing expectations and knowledge about early childhood cognitive and language development. Development of the SPEAK was guided by the theory emphasizing the role of language input…