STA630 Mid Term Current Paper fall 2010 solved

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Question No: 35 ( Marks: 3 )
Reliability and validity of experimental research is highly important, how can these aspects of research be implemented?

Researcher must eliminate alternative explanations which can make the hypothetical relationship fake . They can do this by choosing a research design that physically controls potential alternative explanations for results
Question No: 36 ( Marks: 5 )
What is the difference between confidentiality and anonymity?
Confidentilaity
is the state of being secret, It mean you information shared are you carrying is not making public. It will be kept away from the general publics information.
Suppose if a doctor is treating an AID patient. He should not share is medical reports to others. He/she kept those information scacret.
Anonymity
is that one is not identifiable to persons other than those one communicates with. His name or identification is not discoed to anyone else.
Like if doctor is sharing information with someone but he will not disclose the name of his/her patient. He can share his medical report but same time keeping his name anonymous.

Question No: 37 ( Marks: 5 )
What kind of problems can be faced by the researcher while checking reliability with test-retest method? How a researcher can overcome it?
There are two kinds of problems with measures of test-retest reliability which is common to all longitudinal studies.
The first measure may sensitize the respondents to their participation in a research Project.
Influence the results of the second measure.
Further if the time between the measures is long it may leads to attitude change.
Thus it is possible for a reliable measure to indicate or medium correlation between the first and the second. This low correlation may be due to an attitude change over time rather than to lack of
Reliability

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Question No: 3 ( Marks: 1 ) - Please choose one
On which of the following, Scientific knowledge mostly relies?
► Identification of events
► Logical understanding
► Prior knowledge
► All of the given options



Question No: 4 ( Marks: 1 ) - Please choose one
Research method is applicable in all of the following fields, Except.
Health care ►
Business ►
Government offices ►