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Questions and Answers
Which statement best describes the null hypothesis?
Which statement best describes the null hypothesis?
- It assumes there is a change or difference between two groups.
- It assumes there is no change, difference, or relationship between two variables. (correct)
- It assumes there is no change or difference between two groups.
- It assumes there is a change, difference, or relationship between two variables.
What is the purpose of inferential statistics?
What is the purpose of inferential statistics?
- To come to conclusions based on data.
- To understand the larger population from which a sample is taken. (correct)
- To make predictions based on data.
- To summarize the characteristics of a data set.
Who do ethics guidelines protect in the field of psychology?
Who do ethics guidelines protect in the field of psychology?
- Only the clients and/or research participants.
- Only the practitioner psychologists and researchers.
- Only the educational/research institutions and other employers of psychologists.
- All of the above. (correct)
What are the four ethical principles mentioned in the text?
What are the four ethical principles mentioned in the text?
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What does the alternative hypothesis state?
What does the alternative hypothesis state?
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