Author Question: The _________ refers to the difference among different astronomersestimation of the time and ... (Read 62 times)

londonang

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The _________ refers to the difference among different astronomersestimati on of the time and position of astral events.
 
  a. personal equation
  b. simple reaction
  c. choice reaction
  d. subtractive logic

Question 2

Differential history effects are a threat to internal validity for which of the following designs?
 
  a. differential research design
 b. one-group pretestposttest design
 c. pretest-posttest nonequivalent control group design
  d. longitudinal design



TDubDCFL

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Answer to Question 1

A

Answer to Question 2

c



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