Background: The comfort questionnaire for hand tools (CQH) is a subjective measure for exploring the starting points for improving hand tool design. This study aimed to investigate the psychometric properties of the Farsi version of the CQH.  Methods: In this cross-sectional study, which was conducted among 163 university students, the 17-question CQH was translated into Farsi with a translat...

This research has been designed and conducted to evaluate the validity and reliability of organizational citizenship behavior questionnaire as an instrument in sports environment to assess the status of organizational citizenship behavior dimensions among the athletes of clubs. A 20-question questionnaire has been designed to measure the dimensions of organizational citizenship behavior by st...

BACKGROUND Public opinion polls indicate that a majority of Canadians are in favour of euthanasia. However, there have been many criticisms of the validity of these findings. The objective of this study was to assess public opinion towards euthanasia while controlling for possible threats to validity indicated in the literature review. METHODS A telephone public opinion poll was conducted in ...

Virtually all epidemiologists (including us) who have investigated relationships between diet and chronic disease in the past 20 years have used food frequency questionnaires (FFQ) to assess diet and will continue to publish findings based on FFQ-derived data. However, in our editorial ‘‘Is it Time to Abandon the Food Frequency Questionnaire,’’ we addressed how we should conduct epidemiologic s...

BackgroundThe maternal attitude toward infant feeding is one of the strong predictors of the start and continuation of exclusivebreastfeeding. According to the validity and reliability assessment of Iowa Infant Feeding Attitude Scale (IIFAS) in many countries, the purpose of this study was to examine psychometric properties of an Iranian version of this scale. Materials and MethodsThe present s...

Abduction can be viewed as self-questioning, where the search for an explanation is analogous to answering a “why” question. The question is of the form Why P?, where P is an observation or fact that has come to an agent’s attention. An abductive hypothesis is a possible answer to the question Why P? When abduction is viewed as a type of question answering, abductive hypotheses can be seen as a...

Composability is the capability to select and assemble simulation components in various combinations into simulation systems. The defining characteristic of composability is the ability to combine and recombine components. Composability exists in two forms, syntactic and semantic (also known as engineering and modeling). Syntactic composability is the implementation of components so that they c...

Virtually all epidemiologists (including us) who have investigated relationships between diet and chronic disease in the past 20 years have used food frequency questionnaires (FFQ) to assess diet and will continue to publish findings based on FFQ-derived data. However, in our editorial ‘‘Is it Time to Abandon the Food Frequency Questionnaire,’’ we addressed how we should conduct epidemiologic s...