How to Improve Validity of a Scientific Investigation

Instructions:

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question 1 of 3

What is validity in science?

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1. Which of the following terms describes figuring out whether the conclusion from the experiment is the real explanation for the phenomenon in the wider world?

2. Which of the following is NOT a way to improve validity?

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About This Quiz & Worksheet

As you go through the worksheet and quiz, you will have the chance to assess your grasp of scientific validity and ways it is increased.

Quiz & Worksheet Goals

The goals of these tools are to check your knowledge of:

  • Validity in science
  • Ways to improve validity
  • Term used for determining if the conclusion from an experiment is the real explanation for the phenomenon out in the real world
  • Why a placebo is used

Skills Practiced

  • Interpreting information - verify that you can read information regarding the purpose of placebos and interpret it correctly
  • Information recall - access the knowledge you have gained about a way to make an experiment better by limiting the information available to subjects/conductors
  • Reading comprehension - ensure that you draw the most important information from the related lesson on validity

Additional Learning

In order to learn more about validity, go through the lesson called How to Improve Validity of a Scientific Investigation. Use this lesson to cover these topics:

  • The difference between reliability and validity
  • Purpose of internal validity
  • Charactertistics of a single-blind, double-blind and triple-blind experiment
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