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What role does the alternative hypothesis play in the research hypothesis framework?
- a)It validates the null hypothesis by providing additional evidence
- b)It contradicts the null hypothesis by suggesting a relationship between variables
- c)It supports the null hypothesis by strengthening its conclusions
- d)It introduces random factors into the research design
Correct answer is option 'B'. Can you explain this answer?
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What role does the alternative hypothesis play in the research hypothe...
The alternative hypothesis in the research hypothesis framework asserts a relationship between the variables being studied. It proposes that there is a significant impact or effect of one variable on another, contrary to the null hypothesis. By formulating an alternative hypothesis, researchers aim to explore and demonstrate the presence of meaningful associations or patterns in their data, contributing to the advancement of knowledge in their field.
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What role does the alternative hypothesis play in the research hypothe...
Understanding the Alternative Hypothesis
The alternative hypothesis plays a fundamental role in the research hypothesis framework, specifically in hypothesis testing. Here’s a detailed explanation:
Definition and Purpose
- The alternative hypothesis (often denoted as H₁ or Ha) proposes that there is a significant effect or relationship between variables being studied.
- It stands in contrast to the null hypothesis (H₀), which posits that no effect or relationship exists.
Contradiction of the Null Hypothesis
- The main function of the alternative hypothesis is to challenge the validity of the null hypothesis.
- By suggesting a relationship, it proposes that any observed differences in data are not due to random chance but rather due to a specific factor or treatment.
Implications in Research
- When researchers conduct hypothesis testing, they aim to gather evidence to either reject the null hypothesis or fail to reject it in favor of the alternative.
- The existence of the alternative hypothesis allows researchers to explore and validate theories, guiding them toward new discoveries.
Statistical Testing
- Statistical tests, such as t-tests or ANOVA, are designed to determine the likelihood of observing the data if the null hypothesis were true.
- A significant result leads researchers to reject the null hypothesis in favor of the alternative, indicating that there is a relationship worth investigating further.
In summary, option 'B' is correct because the alternative hypothesis explicitly contradicts the null hypothesis by suggesting a meaningful relationship between the variables, thus driving the research forward.
The alternative hypothesis plays a fundamental role in the research hypothesis framework, specifically in hypothesis testing. Here’s a detailed explanation:
Definition and Purpose
- The alternative hypothesis (often denoted as H₁ or Ha) proposes that there is a significant effect or relationship between variables being studied.
- It stands in contrast to the null hypothesis (H₀), which posits that no effect or relationship exists.
Contradiction of the Null Hypothesis
- The main function of the alternative hypothesis is to challenge the validity of the null hypothesis.
- By suggesting a relationship, it proposes that any observed differences in data are not due to random chance but rather due to a specific factor or treatment.
Implications in Research
- When researchers conduct hypothesis testing, they aim to gather evidence to either reject the null hypothesis or fail to reject it in favor of the alternative.
- The existence of the alternative hypothesis allows researchers to explore and validate theories, guiding them toward new discoveries.
Statistical Testing
- Statistical tests, such as t-tests or ANOVA, are designed to determine the likelihood of observing the data if the null hypothesis were true.
- A significant result leads researchers to reject the null hypothesis in favor of the alternative, indicating that there is a relationship worth investigating further.
In summary, option 'B' is correct because the alternative hypothesis explicitly contradicts the null hypothesis by suggesting a meaningful relationship between the variables, thus driving the research forward.
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What role does the alternative hypothesis play in the research hypothesis framework?a) It validates the null hypothesis by providing additional evidenceb) It contradicts the null hypothesis by suggesting a relationship between variablesc) It supports the null hypothesis by strengthening its conclusionsd) It introduces random factors into the research designCorrect answer is option 'B'. Can you explain this answer?
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