This document discusses various concepts related to research methodology for management decisions. It asks questions about distinguishing between management decision problems and research problems, using primary and secondary data sources, constructing itemized rating scales, applying the run test to test if survey responses are random, and defining key statistical concepts like the null and alternative hypotheses, one and two-tailed tests, type I and II errors, level of significance, and power of a test. The document provides material for understanding fundamental research methods and statistical techniques used in management decision making.

1. Ms-95 Research Methodology for Management
Decisions
1. How would you distinguish between a management decision problem and a management research
problem? Do all decision problems require research? Explain and illustrate with examples.
2. ‘Majority of the researches make use of primary sources of data and secondary data sources do not
really contribute to a scientific enquiry.’ Do you agree/ disagree with this statement.Explain.
3. Explain an itemized rating scale. What are the various issues involved in constructing an itemized
rating scale?
4. A researcher conducts a survey to find out whether the inhabitants of a metro town are in favour of
capital punishment (F) or against it (A). The sequence of responses to the question asked is given
below. Use the run test at α = 0.05 to test whether the responses are random.
F F A F F F A A A A A F F A
A A F F A A A A A A F F A A
A A A A F F F A A A F A F F
F F A A A A F F F A A A F F
5. Explain the following concepts.
(a) Null and alternative hypothesis
(b) One and two-tailed test
(c) Type I and type II error
(d) Level of significance
(e) Power of test
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