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Author Question: A researcher who fails to reject the null hypothesis in a correlational analysis, should conclude ... (Read 39 times)

Bernana

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on: Jun 20, 2018
A researcher who fails to reject the null hypothesis in a correlational analysis, should conclude
 
  a. the correlation between X and Y in the population is not zero.
  b. the correlation between X and Y in the population is less than zero.
  c. there is insufficient evidence for concluding there is a relationship between X and Y in the population.
  d. the observed relationship between X and Y is stronger than would be expected by chance.
  e. the correlation between X and Y in the population is zero.

Question 2

Why is construct validity essential in an experiment?
 
  What will be an ideal response?


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bitingbit

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Reply #1 on: Jun 20, 2018
Answer to Question 1

C

Answer to Question 2

If one wants to draw conclusions from an experiment, one has to know that the study manipulates and validly measures the underlying psychological construct that he or she claims to be measuring and manipulating within the study. For example, if anxiety is the independent variable in a study, the researcher must be certain that the instrument validly measures anxiety and not some other construct.


Bernana

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Reply 2 on: Jun 20, 2018
Gracias!

matt95

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Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

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