A hypothesis expresses a researcher’s expectation about how two or more variables are related in the population. It is tentative because it may be supported or rejected after empirical testing. It is testable because it is stated in terms of observable variables that can be measured. By predicting direction or type of relationship, it guides the choice of design and statistical analysis.
Option A:
Option A is correct as it captures both tentative and testable nature and mentions prediction of relationships.
Option B:
Option B incorrectly treats the hypothesis as a final conclusion, whereas conclusions are drawn only after hypotheses are tested with data.
Option C:
Option C calls it a vague idea, but a proper hypothesis must be precise and operational, otherwise it cannot be tested scientifically.
Option D:
Option D confuses hypothesis with sampling details, which belong to the methodology section, not to conceptual predictions about variables.
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