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Author Question: Correlational research has which of the following characteristics? Correlational research: a. can ... (Read 199 times)

newyorker26

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Correlational research has which of the following characteristics? Correlational research:
 
  a. can manipulate dependent variables.
  b. can only be used to determine causality.
  c. examines relationships between existing variables.
  d. is always used to generate rather than test hypotheses.

Question 2

Matching of one subject with another and the use of random selection of subjects are examples of:
 
  a. causality.
  b. control.
  c. manipulation.
  d. nonprobability sampling.



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mcomstock09

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Answer to Question 1

ANS: C
The purpose of a correlational design is to examine relationships between or among two or more variables in a single group.
In correlational studies little effort is made to manipulate factors in the situation. The purpose of a correlational design is to examine relationships between or among two or more variables in a single group.
Correlation and causation are not synonymous. The purpose of a correlational design is to examine relationships between or among two or more variables in a single group.
The researcher may have a hypothesis. The purpose of a correlational design is to examine relationships between or among two or more variables in a single group.

Answer to Question 2

ANS: B
Control means having the power to direct or manipulate factors to achieve a desired outcome. The researcher uses the controls of matching subjects and random selection.
Causality means that one thing leads to another.
Manipulation is not a form of control, but creates the control through the intervention or treatment. Control means having the power to direct or manipulate factors to achieve a desired outcome.
Nonprobability sampling does not hold random selection or assignment as criteria for participant sampling techniques.





 

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