Reactivity of Experimental Arrangements & Assessment: Threats to External Validity


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Nancy wants to make sure that the results of her study can be generalized to the world at large. Which of the following elements of her study is she looking to increase?

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1. Nancy is looking at the results of her experiment. Some of the results indicate that some of her data may be coming from reactions by her subjects to an element of the experiment rather than her intended independent variable. Which of the following may have impacted Nancy's study?

2. Nancy is worried that some of the subjects in her study changed their behavior because they knew they were in a study. For which of the following is Nancy expressing concern?

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About This Quiz & Worksheet

The quiz will test you on definitions related to experimental arrangements and assessment. The questions are presented in a complete-the-sentence style.

Quiz & Worksheet Goals

The quiz tests you on the following topics:

  • Reactivity
  • External validity
  • Reactive arrangements
  • Reactivity of testing

Skills Practiced

You will practice the following skills:

  • Reading comprehension - ensure that you draw the most important information from the related psychology lesson
  • Making connections - use understanding of the concept of experimental arrangements and assessment
  • Interpreting information - verify that you can read information regarding reactivity and interpret it correctly

Additional Learning

After you finish the quiz, make sure to head over to the related lesson titled Reactivity of Experimental Arrangements & Assessment: Threats to External Validity. The lesson covers the following objectives:

  • Defining external validity
  • Exploring reactivity
  • Understanding reactive arrangements
  • Explaining reactivity of testing