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CONSTRUCTION PROCEDURE
The construction of an interview schedule or questionnaire is a time consuming task requiring considerable attention to all the details. The investigator must make many decisions, including whether to use an interview schedule or a self administered questionnaire as well as how to balance open-ended and close-ended questions.
Researcher generally works with an outline of the instrument if it is complex and encompasses a variety of topics. Questions for relevant content area are then drafted or borrowed or adapted from other instruments. Researcher must carefully monitor the wording of each question for clarity, sensitivity to the respondent's psychological state, freedom from bias and reading level. Questions must then be sequenced in a psychologically meaningful order and in a manner that encourages'cooperation.
When the instrument has been drafted, it should be critically reviewed by experts, and pre-tested with a small sample of respondents. Pre-test. is a trial run to determine insofar as is possible whether instrument is clearly worded and free from bias
Data Management As your research project progresses you will quickly gather more and more data. These need to be managed in such a way that they can be accesses and
significance and scope of operation research
a pipe lis dur for rpair,the repair would cost 10000 and it would last for 3 years.alternatively a new pipe line can be purchase at 30000 for 10 years.assuming 10% depriciation rat
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Consider the following network where the value on each arc represents the capacity of that arc. Use the augmenting path algorithm to find the value of the maximum flow from node 1
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Meaning and Definition If a group of N observations is arranged in ascending or descending order of magnitude then the middle value is called median of these observat
Meaning of Research Report Research report is the process of communicating the results of an investigation it is a document which reflect about the research conducted a
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