Correlation Practice
Quiz by Maria B
Feel free to use or edit a copy
includes Teacher and Student dashboards
Measure skillsfrom any curriculum
Tag the questions with any skills you have. Your dashboard will track each student's mastery of each skill.
- edit the questions
- save a copy for later
- start a class game
- automatically assign follow-up activities based on students’ scores
- assign as homework
- share a link with colleagues
- print as a bubble sheet
- Q1
Which of the following is an example of a negative correlation?
As hours studying for a test decrease, so do grades on that test.
People who spend more time exercising tend to experience less depression.
Students with lower IQ scores tend to have lower grades.
Students' shoe sizes are not related to their grades.
30s - Q2
In an experiment to test the effects of room temperature on test performance, the independent variable is
The temperature of the room
The scores on the test at the end of the experiment
The role of the teacher
The scores on the test before the experiment begins
30s - Q3
Researchers have discovered that individuals with lower income levels report having fewer hours of total sleep. Therefore,
Lower income levels cause individuals to have fewer hours of sleep.
Income and sleep levels are positively correlated.
Income and sleep levels are not correlated.
Income and sleep levels are negatively correlated.
30s - Q4
Which of the following correlation coefficients represent the strongest relationship between two variables?
-0.85
-0.05
+0.75
+1.3
30s - Q5
The MAIN purpose of random assignment is to
Generate operational definitions for the independent and dependent variables
Eliminate the placebo effect
Reduce potential confounding variables
Give every member of the population an equal chance to participate in the research
30s - Q6
In a drug study, neither the participants nor the person distributing the pills knows who is receiving the new drug and who is receiving the placebo. This type of research design is said to be a(n) ____ study.
Confounding
Single-Blind
Correlational
Double-Blind
60s - Q7
Which of the following best describes the purpose of a control group in an experimental design?
Having a control group allows researchers to reduce the effect of confounding variables on the dynamic between the independent variable and the dependent variable.
Having a control group allows researchers to replicate the results from past research.
Having a control group allows researchers to determine a cause-and-effect relation between the independent variable and dependent variable.
Having a control group allows researchers to better generalize their results to the population of interest.
60s