2. A good review of research literature aims at:

- Option : C
- Explanation :

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- Option : B
- Explanation : A null hypothesis is a precise statement or proposition that undergoes verification to determine if it should be accepted or rejected in favour of an alternative proposition. The null hypothesis usually states that there is no statistical significance between the two variables in the hypothesis.and is expressed as "There is no relationship between two quantities." A researcher aims to disprove it to demonstrate that there is a statistically- significant relationship between the two variables in the hypothesis. This is the basis of the success of the research study.

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5. Which one of the following is the main feature of qualitative research?

- Option : A
- Explanation : Qualitative research collects and works with non-numerical data to study targeted populations or places and seeks to interpret meaning from these data. Quantitative research, on the other hand, uses data analysis of numerical data with positive assumptions for determining causal and correlative relationships between variables.

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