The result obtained by subtracting a fraction from another fraction
is necessarily a fraction.
Give two examples of the situations where survey method can be used. What are the
limitations of this method?
Dr. Krishnan is going to observe and record children’s play behaviour at a nursery school
without attempting to influence or control the behaviour. Which method of research is
involved? Explain the process and discuss its merits and demerits.
Discuss the strengths and weaknesses of experimental method as a method of enquiry.
A researcher is studying the relationship between speed of cycling and the presence of
people. Formulate a relevant hypothesis and identify the independent and dependent
variables.
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