Psychology

Q. What is an experiment? Explain why is it more difficult to conduct experiments in social – behavioural sciences than in physical sciences. 10 marks

Model answer outline : An experiment is a method of observation under controlled condition. This method enables us to understand the cause – effect relationship between variables. In a typical experiment, the hypothesized cause of an incident is manipulated to see its effect by...

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Q. What’s the meaning of “alpha level of significance” in the context of hypothesis testing? Discuss at least three kinds of significance tests with examples

Model answer outline: A significance test is one important tool researchers use to draw conclusion about population based upon research conducted on samples. Research hypothesis is confirmed disconfirming the null hypothesis-by showing that it’s not supportted by data. Null hypothesis is that the population...

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