Correct Answer: Option 3 it contains conclusions not explains by the evidence given.

Conclusions are the findings based on the results and observations of the researcher. If the evidences and the conclusions are different then the research is invalid.

In a research, the higher the sample size, the better. This is because more data will be used to prove or disprove a hypothesis. Hence, option 1 is invalid.

Hypothesis is statement of what most likely be the result of a research. If after the research the hypothesis was not supported, then it is ok. It means that the hypothesis was incorrect. Option 4 is incorrect.

If other individuals are able to duplicate the results then the research is proven to be correct. Option 2 is also incorrect.