Objectives This study describes the prototype testing and clinical validation of the Fit-Frailty App, a fully guided, interactive mobile health (mHealth) app to assess frailty and sarcopenia. This ...

This study provides important evidence that negative affect is associated with slower cognitive processing in daily life, with findings replicated across three independent samples and supported by ...

Objective To evaluate construct validity and reliability of the Portuguese (Brazil) version of Online Cognition Scale (OCS-BR). Methods Portuguese (Brazil) versions of Online Cognition Scale (OCS), of ...

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1 Department of Design and Engineering, Faculty of Science and Technology, Bournemouth University, Bournemouth, UK. 2 Accounting, Finance and Economics Department, Business School, Bournemouth ...

Have you ever taken a personality quiz and wondered if it truly captured who you are? Or have you read a news article about a study and questioned the measurements used? These are situations where ...

In research, we often hear about the importance of a study being “valid.” It’s a term that speaks to the quality and trustworthiness of the findings. Among the different types of validity, one of the ...

Objectives To assess the feasibility of capturing older care home residents’ quality of life (QoL) in digital social care records and the construct validity (hypothesis testing) and internal ...

Objectives To compare the construct validity, including discrimination between known groups, of three pain and three morning stiffness (MS) measurement instruments. Methods Patients with radiographic ...

This study aims to explore four dimensions of test validity: face validity, construct validity, consequential validity and criterion validity in the context of the Duolingo English Test. Through ...