Practice Validity - 1.5 | Scientific Investigation Skills | IB MYP Grade 12 Biology
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Knowledge

1.5 - Validity

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Learning

Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

What does validity mean in the context of an experiment?

💡 Hint: Think about what makes an experiment trustworthy.

Question 2

Easy

Why are controlled variables important?

💡 Hint: Consider the factors that might confuse the results.

Practice 4 more questions and get performance evaluation

Interactive Quizzes

Engage in quick quizzes to reinforce what you've learned and check your comprehension.

Question 1

What is validity in experimental research?

  • A measure of the size of an effect
  • The extent to which an experiment measures what it intends to measure
  • How well the experiment is conducted

💡 Hint: Think about the goal of your experiment.

Question 2

True or False: Internal validity only concerns the outcome of the study.

  • True
  • False

💡 Hint: Consider what internal validity tells us about the relationship in the study.

Solve 1 more question and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

Design an experiment to test a new fertilizer’s effect on plant growth while ensuring its validity. Describe how you would control for other variables.

💡 Hint: Think about all the factors influencing plant growth and how you might isolate the effect of the fertilizer.

Question 2

Discuss the implications of a study that shows a correlation between stress levels and test performance but has low internal validity due to uncontrolled variables.

💡 Hint: Consider how uncontrolled variables might produce alternative explanations for observed correlations.

Challenge and get performance evaluation