نتایج جستجو برای: survey method for data collection using cluster sampling
تعداد نتایج: 12146237 فیلتر نتایج به سال:
during 2010-2011 a faunistic survey was carried out for collection and identification of edaphic mesostigmatic mites (acari: mesostigmata) in jiroft and suburb. mites were extracted from soil samples by berlese funnel. the mites were cleared in nesbit fluid and were mounted in hoyer medium on microscopic slides. in this study 43 spices from 26 genera and 16 families were collected and identifie...
common bean (phaseolus vulgaris l.) is one of the most important food legumes worldwide. the development of a core collection could facilitate easier access to bean genetic resources and enhance their applications in crop improvement program. in this article development of a core collection from 1425 accessions of common bean germplasm available from the national plant gene bank of iran (npggbi...
In nature, populations are sometimes distributed in a patchy, rare, or aggre-gated manner. Conventional sampling designs such as simple random sampling (SRS) do not take advantage of this spatial differentiation. Thompson (1990) introduced a sampling design called adaptive cluster sampling (ACS) to survey these types of distributions. Adaptive cluster sampling, in theory, can be much more preci...
The purpose of this study was to investigate the Canonical analysis of the relationship between personality traits and attitude with motivation and EFL learners’ written production task. This research in terms of data collection procedure is a correlation type. The statistical population consisted of the students who were selected by random cluster sampling method. Data were analyzed using stan...
Models are considered as frameworks for design, implementation and evaluation of programs which are implemented by health educators. The main purpose of this study was to survey the effect of applying the Better Life Options and BLOOM Model to promote life skills in third grade high school girls. The quasi-experimental study performed on the groups in two phases. In need assessment phase, we us...
BACKGROUND This methodological paper describes the integration of the 'European Health Interview Survey wave 2' (EHIS 2) into the 'German Health Update' 2014/2015 (GEDA 2014/2015-EHIS). METHODS GEDA 2014/2015-EHIS is a cross-sectional health survey. A two-stage stratified cluster sampling approach was used to recruit persons aged 15 years and older with permanent residence in Germany. Two dif...
the present study investigated construct equivalence of multiple choice (mc) and constructed response (cr) item types across stem and content equivalent mc and cr items (item type ‘a’), non-stem-equivalent but content equivalent mc and cr items (item type ‘b’), and non-stem and non-content equivalent mc and cr items (item type ‘c’). one hundred seventy english-major undergraduates completed mc ...
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