Statistical Analysis
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Questions and Answers

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?

  • 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?

  • 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?

    <p>Respect, value, dignity, and worth.</p> Signup and view all the answers

    What does the alternative hypothesis state?

    <p>There is a change, difference, or relationship.</p> Signup and view all the answers

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