Correct Answer : Research Hypothesis
Explanation : The alternative hypothesis is the assertion that is being tested against the null hypothesis. Ha or H1 are common abbreviations for alternative hypotheses.
The alternative hypothesis is the hypothesis that is inferred from a null hypothesis that has been rejected.
It is best stated as an explanation for why the null hypothesis was rejected. It is also known as the research hypothesis. Unlike the null hypothesis, the researcher is usually most interested in the alternative hypothesis.