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Test your understanding with targeted questions related to the topic.
Question 1
Easy
What does a positive correlation indicate?
π‘ Hint: Think about how both variables change together.
Question 2
Easy
What does a correlation of zero mean?
π‘ Hint: Consider what happens when there's no connection.
Practice 4 more questions and get performance evaluation
Engage in quick quizzes to reinforce what you've learned and check your comprehension.
Question 1
What does a correlation coefficient of +0.8 indicate?
π‘ Hint: Remember how correlation coefficients work.
Question 2
True or False: A negative correlation means that one variable increases while the other also increases.
π‘ Hint: Think of the phrases: 'positive together' and 'negative apart.'
Solve 1 more question and get performance evaluation
Push your limits with challenges.
Question 1
A psychologist finds a correlation of +0.6 between hours spent studying and exam scores among students. However, some argue that students who study might also have a better understanding of the material. How would you use this information to discuss the potential confounding variable?
π‘ Hint: Consider acknowledging the factors of knowledge versus study time.
Question 2
Imagine you conduct a study that shows a negative correlation of -0.4 between the time spent on social media and academic performance. Construct a hypothesis explaining what this relationship could imply about the influence of social media.
π‘ Hint: Reflect on how distractions might influence academic results.
Challenge and get performance evaluation