Experiments vs Observational Studies: Definition, Differences & Examples


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In a study, a group of mice are put into a maze with multiple paths and options. The time it takes each mouse to complete the maze and the path taken are recorded. This is an example of a(n) _____ study.

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1. In a study, a group of mice are given an injection of a drug proposed to shrink lung tumors. After one month, the tumors are measured. This is an example of a(n) _____ study.

2. Bob proposed that the more you exercise, the more likely you are to be promoted at your job. He reviewed the exercise regimens of coworkers who were promoted and those that were not. In this example, exercise is a(n) _____ variable, and job status is a(n)_____ variable.

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About This Quiz & Worksheet

This quiz/worksheet combo is going to help you review all of the variables that go into conducting research. Finish the worksheet and then head on over to the quiz to see what information you retained.

Quiz & Worksheet Goals

Gain some knowledge on the following topics by using these assessments:

  • The method of applying treatments to a group and then recording the effects
  • Types of variables in an observational study
  • Finding the correlation between two variables
  • Types of variables in research

Skills Practiced

  • Knowledge application - use your knowledge to answer questions about the types of variables that are used in research
  • Distinguishing differences - compare and contrast main topics, such as observational studies and experimental studies
  • Reading comprehension - ensure that you draw the most important information from the related lesson on the different types of studies

Additional Learning

Gain even more knowledge about experimental and observational studies thanks to the lesson called Experiments vs. Observational Studies: Definition, Differences & Examples. You will have the opportunity to do the following tasks:

  • Compare and contrast observational studies and experimental studies
  • Determine what a control is used for
  • Examine the benefits of using observational studies
  • Review the components of an experiment