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types of samplingsampling plans can be grouped under two categories-probability sampling and non-probability sampling probability sampling
purpose of samplingwhen the population is too large and spread oyer a vast area sampling needs to be done for the economy
sample and sampling the sample represents the population of those critical characteristics you plan to study in other words
population is the entire aggregation of cases that meet the designated set of criteria it includes a complete set of persons or objects
data synthesis and analysisorganize the data relative value of various sources must be weighed problems about inconsistencies must be
evaluation of data the historical data should be subjected to two types of evaluationexternal criticism evaluation of data
historical approachmeaning and characteristics in the following text the meaning and characters of historical approach will
advantages and limitationsexperimental approach represents the most powerful method for testing hypothesis of the cause and
retrospective surveyin a retrospective survey the researchers may also like to investigate possible cause and effect relationships by
case study in a case study the survey is based on one or more samples study on the respondents can be investigated in depth
developmental longitudinal and cross sectional surveysuppose you wish to study the growth and development pattern of children
comparative and evaluative surveycomparative survey let us suppose you wish to compare the perceived needs of rural and urban
types there are various types of survey research-descriptive evaluative comparation correlation longitudinal cross-sectional cross-cllltural
purposesdescription exploration and explanation are three main purposes of survey approacha description surveys are frequently conducted for the
meaning and characteristicsmeaning the survey method primarily focuses on the present in nursing survey approach is used to a
research approachresearch approach design is the researchers overall plan for answering the research questions the design indicates
content of a written reviewbibliographic material and important information from sources may be recorded on note book to keep
locating research reportswhile review of literature you should explore and get acquainted with relevant key words and major
use of the library the researcher plans to concentrate the efforts on identifying information on a specific topic if you are
purpose and scope - literature searchthere are many purposes for reviewing the literature before conducting a research study the most
use the simplex method to solve the following lp problem max z 107x1x22x3 subject to
total marks 40 note the information for this question is based on the material contained in hopkins andrew 1999 managing major hazards
patents as a source of informationpatent documents provide a unique and important source of technical information much of which may not be
usesmaps and atlases are used by common men as well as specialists both for work and pleasure varied uses of maps and atlases depend on their types
globe the difference between a map and a globe is one of form a map is any geographic image of the earth drawn to scale on a flat surface whereas a