BMJ

Examining the reliability and validity of a modified version of the International Physical Activity Questionnaire, long form (IPAQ-LF) in Nigeria: a cross-sectional study

Objectives To investigate the reliability and an aspect of validity of a modified version of the long International Physical Activity Questionnaire (Hausa IPAQ-LF) in Nigeria. Design Cross-sectional ...
qualitysafety.bmj

The Healthcare Complaints Analysis Tool: development and reliability testing of a method for service monitoring and organisational learning

Correspondence to Dr Alex Gillespie, Department of Social Psychology, London School of Economics, London WC2A 2AE, UK; A.T.Gillespie{at}lse.ac.uk Background Letters of complaint written by patients ...
BMJ

Reliability and validity testing of a single-item physical activity measure

1 British Heart Foundation National Centre for Physical Activity and Health, School of Sport, Exercise and Health Sciences, Loughborough University, Loughborough, UK 2 School of Population Health, ...
The Hill

Bias, laziness and fear — why can’t today’s economists get it right?

Economists were wrong about inflation. They were wrong about tariffs. They were wrong about GDP growth and recessions and jobs and the labor market. But that doesn’t stop them. As I write this, more ...
IEEE

Resource Allocation for Text Semantic Communications

Abstract: Semantic communications have shown its great potential to improve the transmission reliability, especially in the low signal-to-noise regime. However, resource allocation for semantic ...
SciELO

European health literacy survey questionnaire short form (HLS-Q12): adaptation and evidence of validity for the Brazilian context

Health literacy (HL) refers to knowledge, motivation and skills to understand, evaluate and apply health information, enabling appropriate decision making in daily life on health care and health ...
BMJ

The Nordic Patient Experiences Questionnaire (NORPEQ): cross-national comparison of data quality, internal consistency and validity in four Nordic countries

Objectives To evaluate the Nordic Patient Experiences Questionnaire (NORPEQ) for data quality, reliability and validity following surveys of patients in Finland, Norway, Sweden and the Faroe Islands.
IEEE

An Improved Sum-of-Disjoint-Products Technique for Symbolic Multi-State Flow Network Reliability

Abstract: Many real-world systems, such as electric power and transportation, satisfy the flow conservation law, and can be considered to be multistate flow networks (MFN). Reliability is a popular ...
thorax.bmj

The EQ-5D-5L health status questionnaire in COPD: validity, responsiveness and minimum important difference

Background The EQ-5D, a generic health status questionnaire that is widely used in health economic evaluation, was recently expanded to the EQ-5D-5L to address criticisms of unresponsiveness and ...
Consumer Reports

Consumer Reports' Car Reliability FAQ

Consumer Reports receives a wide range of questions from enthusiasts and the auto industry looking for a deeper understanding of the methodology used in the reliability section of our latest Annual ...
The Conversation

New technologies like AI come with big claims – borrowing the scientific concept of validity can help cut through the hype

Technological innovations can seem relentless. In computing, some have proclaimed that “a year in machine learning is a century in any other field.” But how do you know whether those advancements are ...