The purpose of this article is to compare and discuss the use of Likert-type scales and Q-
methodology to examine perceptions and attitudes in nursing research. This article provides …

ABSTRACT The Fibromyalgia Impact Questionnaire (FIQ) was developed in the late 1980s
by clinicians at Oregon Health & Science University in an attempt to capture the total …

Questions and answers about language testing statistics: Likert items and scales of
measurement? Shiken: JALT Testing & Evaluation SIG Newsletter Vol. 15 No. 1. Mar. 2011. (p …

Self-determination theory (SDT) proposes a multidimensional conceptualization of
motivation in which the different regulations are said to fall along a continuum of self …

Objectives To demonstrate the use of Rasch analysis by assessing the appropriateness of
utilizing the Hospital Anxiety and Depression Scale (HADS) total score (HADS‐14) as a …

This paper discusses recent advances that have been made in the field of psychometrics,
specifically, the application of Rasch analysis to the instrument development process. It …

Objective Guidelines have been established for cross‐cultural adaptation of outcome
measures. However, invariance across cultures must also be demonstrated through analysis …

All nurses are interested in the effects of diseases and treatments on individuals. Patient-
reported outcome (PRO) measures are used to obtain self-reported information about …

Inferences made from summary indices of psychometric scales must be reliable and valid to
advance scientific knowledge in counseling psychology. This article illustrates traditional …

Objectives: To provide further evidence of reliability and internal and external construct
validity of the Rivermead Post-Concussion Symptoms Questionnaire (RPQ), which …