RESEARCH METHODS THINKING CRITICALLY WITH PSYCHOLOGICAL SCIENCE
THE SCIENTIFIC METHOD AND DESCRIPTION
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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the first experiment was fine, publish the results
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the first experiment was flawed, retest
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the second experiment is fine, publish the results
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the second experiment was flawed and must be thrown out
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Detailed explanation-1: -If the results of the experiment do not provide sufficient information to show that the hypothetical factor causes the result predicted, then the null hypothesis cannot be rejected. The explanation in the null hypothesis continues to provide our best description of what we observed.
Detailed explanation-2: -Common sources of error include instrumental, environmental, procedural, and human. All of these errors can be either random or systematic depending on how they affect the results. Instrumental error happens when the instruments being used are inaccurate, such as a balance that does not work (SF Fig. 1.4).
Detailed explanation-3: -Getting the same result when an experiment is repeated is called replication. If research results can be replicated, it means they are more likely to be correct. Repeated replication of investigations may turn a hypothesis into a theory.