the main purpose of this study was to investigate experts’ perceptions of barriers to organic farming in ministry of agriculture. the population of this survey consisted of the experts in department of horticultural products, ministry of agriculture in 2008-2009 (n= 160). using of kerejcie and morgan table, 113 experts were selected through stratified random sampling method. validity of the ins...

this study was conducted to examine family social capital and sport participation adolescent students. the statistical population consisted of male and female students in rasht city who were studying at third grade state high schools in 2011-2012 (n=5682). the sample was 415 adolescent students (155 males, 265 females) who were selected by cluster-stratified sampling method using morgan table. ...

purpose: the main objective of the study was to investigate the relationship between information literacy skills and effectiveness of primary school teachers in sari city. methodology: due to the nature of the study, descriptive-correlational survey method has been used. for data collection two researcher-made questionnaires have been employed. the population of the study was all the primary sc...

nowadays, organizations are trying to maximize productivity by groups, but the results are not always completely satisfactory thereby causing some problems for organizations such as social loafing. social loafing reduces motivation and effort in team work compared to individual work. this study intends to achieve the necessary mechanisms to reduce social loafing, and reviews the effect of perce...

the aim of this study was to investigate the role of sport shoes packaging in persuading different groups of athletes to buy sport shoes. the methodology was descriptive-survey. the statistical population consisted of 1800 athletes of sport clubs of poldokhtar city. 329 subjects were selected as the sample by morgan table using clustering random sampling method in those clubs. a researcher-made...

Background: Lifestyle is a very important concept that is often used to express lifestyle. The purpose of this study is to determine the relationship between "lifestyle" and "professional ethics" of teachers. Method: The present study was conducted by descriptive-correlation method. The statistical population includes all primary school teachers in Noorabad (N=394), which through Morgan table,...

Once the research question and the research design have been finalised, it is important to select the appropriate sample for the study. The method by which the researcher selects the sample is the ' Sampling Method'. There are essentially two types of sampling methods: 1) probability sampling - based on chance events (such as random numbers, flipping a coin etc.); and 2) non-probability samplin...