hypothesis testing

The probability of rejecting the null hypothesis when it is true, is

The probability of rejecting the null hypothesis when it is true, is called (A) co-variation (B) assumption (C) power (D) chance value Correct Ans: (C) Explanation: In media research, understanding statistical power is crucial when interpreting results from hypothesis testing. Statistical power refers to the probability of correctly rejecting the null hypothesis when it is […]

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Test to find the significance mean difference among four variables

The test normally used to find out the significance of mean difference among four independent variables is (A) Z – test (B) Chi – square test (C) Partial correlation (D) Analysis of variance Correct Ans: (D) Explanation: In mass communication research, when you want to find out whether there are significant mean differences across four

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‘The post-test only control group design’ is amenable to

 ‘The post-test only control group design’ is amenable to the application of:  (A) ANOVA (B) t-test (C) Chi-square test (D) Partial Correlation  Correct Ans: (B) Explanation:The post-test only control group design is a true experimental research method where two groups are compared—one receives a treatment, while the other acts as a control. Importantly, researchers measure

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One -tailed test and two -tailed test are associated with: 

One-tailed test and two-tailed test are associated with:  (A) Causation (B) concepts (C) constructs (D) hypothesis Correct Ans: (D) Explanation:One-tailed and two-tailed tests directly relate to hypothesis testing, a core process in statistical research. These tests help researchers decide whether to accept or reject a hypothesis based on data results. A one-tailed test examines whether

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Limitations of Secondary Analysis in Research

Assertion (A): Researchers who opt for secondary analysis do not have limitations in the types of hypothesis or research questions which are to be investigated. Reason (R): For them, data already exists and it is difficult to get more information. (A) Both (A) and (R) are true. (B) Both (A) and (R) are true, but

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When we prefer the simplest method for research, it is

When we prefer the simplest method for research, it is called the principle of (A) Justice (B) limited partiality (C) Equal representation (D) Parsimony Correct Ans: (D) Explanation: The principle of parsimony states that researchers should prefer the simplest explanation or method when conducting a study. Instead of adding unnecessary complexity, this principle encourages efficiency,

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