Objective: The purpose of this study was to begin developing and validating an instrument to measure self-trust in adults. Method: Using a multi-phased and mixed methods approach to instrument development, the RSTI scores were tested across three samples reflecting national demographics of adults in the United States (n = 157, n = 692, n = 261).…

This study reports the development and validation process for an instrument to measure university students' anxiety in physics courses. The development of the Physics Anxiety Rating Scale (PARS) included the following steps: Generation of scale items, content validation, construct validation, and reliability calculation. The results of construct…

Background: The assessment of intervention integrity is essential in psychotherapeutic intervention outcome research and psychotherapist training. There has been little attention given to it in mindfulness-based interventions research, training programs, and practice. Aims: To address this, the Mindfulness-Based Interventions: Teaching Assessment…

Objective: The objective of this study was to develop a validated and reliable questionnaire to measure consumer knowledge regarding safe practices to prevent microbiological contamination in restaurants and commercial kitchens. Methods: Non-probabilistic samples of individuals were interviewed in the city of Campinas, Brazil. Questionnaire items…

This paper presents the authors' critique on "Clarifying the Consensus Definition of Validity" by Paul E. Newton (this issue). There are serious differences of opinion regarding the topic of validity. Newton is aware of these differences, as made clear by his choice of references and particularly his effort to respond to the various Borsboom…

This study investigated ways to improve the quality of music performance evaluation in an effort to address the accountability imperative in tertiary music education. An enhanced scientific methodology was employed incorporating ecological validity and using recognized qualitative methods involving grounded theory and quantitative methods…

This article examines the Consortium on Reading Excellence-Phonics Survey (CORE-PS), an informal, inexpensive, and widely disseminated assessment tool that is used to determine primary-grade students' knowledge of and abilities to apply key alphabetic and phonics understandings to decode a mix of real and pseudo-words. Evidence is reported of the…

To validate an interpretation or use of test scores is to evaluate the plausibility of the claims based on the scores. An argument-based approach to validation suggests that the claims based on the test scores be outlined as an argument that specifies the inferences and supporting assumptions needed to get from test responses to score-based…

The purpose of this study was to validate the measures included in the Counselor Response Observation System. The Counselor Response Observation System consists of the Counselor Response Coding System and the Skilled Verbal Responding Scale. Detailed results of their validity and reliability are presented.

The edTPA, a nationally available performance assessment for teacher candidates, has recently been developed and implemented in teacher education programs across the United States. Advocates make arguments for the need for such an assessment while critics of standardized performance assessments point out the dangers of standardization. This…

Homophobia and heterosexism in women's athletics have been studied extensively using a qualitative approach. Limited research from a quantitative approach has been conducted in the area and none with a sport-specific instrument. The purpose of the current study was to develop a valid and reliable questionnaire to measure heterosexist attitudes in…

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 authors report a validation study of the Teen Court Peer Influence Scale (TCPIS), a newly developed scale, to examine its factor structure, reliability, and evidence of validity. Methods: The scale was disseminated to 202 participants in six teen courts in the state of Florida, and the authors conducted exploratory factor analyses. Content…

This article focuses on the development and validation of the Ethical Leadership Index (ELI). The development and validation processes included: adopting a framework; developing items; providing evidence of content validity; conducting a pilot study; and analyzing data to provide evidence of construct validity and reliability estimates. Five…

The quality of classrooms serving students with emotional and behavioral disabilities (EBD) is a continuing concern because of its influence on students' educational outcomes. Program evaluation of classrooms for students with EBD has been a recommended practice for many years since Grosenick, George, and George (1987) conducted their…