This article describes the development and field test of an instrument, the Views on Science and Education Questionnaire, designed to measure participants’ concepts of the nature of science (NOS) and relevant teaching attitudes. The questionnaire includes 15 questions, each followed by several items representing different philosophical positions. Participants rank each item on a five-point scal...

BACKGROUND The psychometric properties of the nursing home administrator job satisfaction questionnaire (NHA-JSQ) are presented, and the steps used to develop this instrument. METHODS The NHA-JSQ subscales were developed from pilot survey activities with 93 administrators, content analysis, and a research panel. The resulting survey was sent to 1,000 nursing home administrators. Factor analys...

This study reports on the content validation of the Community College Student Success Inventory (CCSSI) for Men of Color. The CCSSI was designed to be used by community colleges to assess their effectiveness in addressing success outcomes for men who have been historically underrepresented and underserved in education, particularly men of color. A panel of subject matter experts (SMEs) rated th...

Instrument content validity is often established through qualitative expert reviews, yet quantitative analysis of reviewer agreements is also advocated in the literature. Two quantitative approaches to content validity estimations were compared and contrasted using a newly developed instrument called the Osteoporosis Risk Assessment Tool (ORAT). Data obtained from a panel of eight expert judges...

background & aim : researchers in the nursing science study complex constructs for which valid and reliable instruments are needed. when an instrument is created, psychometric testing is required, and the first-step is to study the content validity of the instrument. this article focuses on the process used to assess the content validity. methods & materials : this article examines the definiti...

A set of flight tests designed to evaluate the relative utility of candidate displays with advanced symbology for general aviation terminal area instrument flight rules operations are discussed. The symbology was previously evaluated as part of the NASA Langley Research Center's Terminal Configured Vehicle Program for use in commercial airlines. The advanced symbology included vehicle track ang...

This paper presents the design, construction and testing of an instrumentation system for temperature measurement in PV facilities on a per-panel scale (i.e., one or more temperature measurements per panel). Its main characteristics are: precision, ease of connection, immunity to noise, remote operation, easy scaling; and all of this at a very low cost. The paper discusses the advantages of tem...

Condition monitoring of electrical power equipment has attracted considerable attention for many years. The aim of this paper is to use Labview with Fuzzy Logic controller to build a simulation system to diagnose transformer faults and monitor its condition. The front panel of the system was designed using LabVIEW to enable computer to act as customer-designed instrument. The dissolved gas-in-o...

We examine the importance of possible non-random attrition to an econometric model of life cycle labor supply including joint nonlinear taxation of wage and interest incomes and latent heterogeneity. We use a Wald test comparing attriters to nonattriters and variable addition testing based on formal models of attrition. Results from the Panel Study of Income Dynamics are that non-random panel a...