Topic 10: Question-type Mastery Across The Science Sections

Lesson 10.3: Experimental Design And Research Questions — Quiz

Test your understanding of lesson 10.3: experimental design and research questions with 5 practice questions.

Practice Questions

Question 1

In a study examining the effect of a new drug on blood pressure, the hypothesis states that the drug will lower blood pressure compared to a placebo. What type of variable is the blood pressure in this study?

Question 2

What is the primary purpose of including a control group in an experimental design?

Question 3

Which of the following best describes a confounding variable?

Question 4

In a psychological experiment testing the effect of sleep deprivation on cognitive performance, what might a reasonable hypothesis include?

Question 5

What ethical principle requires researchers to minimize harm to participants in a study?