In measuring food intake, three common methods are used: 24-hour recalls, food frequency questionnaires and food records. Food records or 24-hour recalls are often thought to be the most reliable, but they are difficult and expensive to obtain. The question of interest to us is to use the food records or 24-hour recalls to examine possible systematic biases in questionnaires as a measure of usu...

The food frequency questionnaires are widely used in epidemiological researches like dietary assessment method. Traditionally, they have been self-administered in paper but the use of information and communication technologies has led to develop Internet and computerized food frequency questionnaires. It is the objective of this article to offer a global perspective of the new technologies appl...

OBJECTIVE High-performance marine craft personnel (HPMCP) are regularly exposed to vibration and repeated shock (VRS) levels exceeding maximum limitations stated by international legislation. Whereas such exposure reportedly is detrimental to health and performance, the epidemiological data necessary to link these adverse effects causally to VRS are not available in the scientific literature, a...

The degree of addictive substance usage score and three personality variables, namely, authoritarianism, alienation, and anomie were measured in 197 university students through a self-administered questionnaire. WHO's Youth Survey Questionnaire for drag use, Varma et al.'s scale of Authoritarianism, Srole's scale of Anomie, and Pearlin's scale of Alienation, were used. A study of the relationsh...

The integration of academic disciplines such as science and mathematics (M&S) can help foster students’ interest sense self-efficacy (S-E). However, few questionnaires appear to have been developed measure these perceptual variables in this type context. Nor do any exist that are suitable for elementary students from low-income multicultural schools. This article reports the results validation ...

the questionnaire of morality in biotechnological research that has been drafted by this writer includes four sections dealing with various aspects of a research in this field. the first section contains general questions such as the aim and the anticipated achievement(s) of the research. the second section includes question concerning the subject. regarding the human being as the subject of re...

the main objective of this research was to study the factors affecting the sustainability level of greenhouse cultivation system in jiroft and kohnuj region the research method of the study was a descriptive-correlational one. the statistical population of the study consisted of all the greenhouse owners in jiroft and kohnuj region in six rural districts (n=1862). according to the cochran'...

The value of measuring IGF1 bioactivity in active acromegaly is unknown. Soluble Klotho (S-Klotho) level is elevated in active acromegaly and it has been suggested that S-Klotho can inhibit activation of the IGF1 receptor (IGF1R). A cross-sectional study was carried out in 15 patients with active acromegaly based on clinical presentation, unsuppressed GH during an oral glucose tolerance test, a...