Explain the difference between the null hypothesis and the ...

[ETearle]

Explain the difference between the null hypothesis and the alternative hypothesis in a study.
 
  What will be an ideal response?

Question 2

Researchers often use a coding system to associate data with a particular participant during the course of a research study in order to ____.
 
  a. reduce the risk of fraud
 b. help protect confidentiality
  c. help with data analysis
 d. deceive participants

[Melissahxx]

Answer to Question 1

The null hypothesis predicts that no difference exists between the groups being compared. The alternative hypothesis predicts that a significant difference exists between the groups being compared. This is the hypothesis that the researcher wants to support.

Answer to Question 2

b

[ETearle]

Thank you!

[Melissahxx]

Happy to help