WorksheetsIdentifying variables
Total questions: 13
Worksheet time: 26mins
What is the DEPENDENT variable (effect) in this research?
Does eating breakfast improve test scores?
Whether the participant ate breakfast
Time the participant ate breakfast
The grade secured in the test
The number of tests a participant took
Sara wants to see whether drinking coffee will improve productivity. What is the INDEPENDENT variable (cause) in this research?
Increase in productivity
Brand of Coffee
Whether the participant had coffee or not
The times the participant had coffee
Taha had heard his relatives talking about the effects of chewing sugar-free gum on memory. He decided to conduct an experiment. What would the operationalized DEPENDENT variable be for his research?
Score on a Sequence-Recall memory test
Psychometric Testing to assess learning styles
Quantity of consumption of sugar-free gum pellets per day
Asking participants about their fondest childhood memories
Which of the following are characteristics of variables in general?
Liable to change
We can only have independent and dependent variables
Cannot be controlled
Are not always numerical
Research questions look at the impact of _________ on _________
Extraneous Variables, Dependent Variable
Independent Variable, Extraneous Variables
Dependent Variable, Independent Variable
Independent Variable, Dependent Variable
What are extraneous variables?
They are random variables
Extraneous variables are not controlled and can obscure the effect of the independent variable making the results difficult to interpret
Extraneous variables bypass the independent variable
Extraneous variables imply that the independent variable definitely causes the dependent variable
In a controlled experiment there is a greater chance of a relationship of _____________ between the IV and DV; because the impact of extraneous variables is minimized.
Relatedness
Causality
Correlation
Significance
Choose all the appropriate traits of variables
Mutually exclusive
Exhaustive
Descriptive
Significant
What is operationalization?
When you perform an operation on a variable
When you divide one variable into multiple variables
When you add age ranges
Putting a variable in measurable format
Dr. X does a study with three groups of ten students each. Each group consumes a different amount of caffeine (high, medium, and low amounts). Dr. X then measures all of the students on how well they do on a concentration test. What is the INDEPENDENT variable in this study?
The students
Number of Students in each group
The total number of participants
Levels of Caffeine
What is the dependent variable?
What is being measured in the experiment
What is being changed in the experiment
The different group designated by the researcher
The commonalities between the groups
An experiment is done with children in which their teachers in different classrooms teach the same material over the U.S. Civil War, but they use different teaching methods. One teacher uses lectures, one teacher uses group discussion, and one teacher simply asks the students to read the textbook. Then the students all take an essay test over the material and the scores are compared. What is the DEPENDENT variable in this study?
The teaching methods
The students
The scores on the Essay Test
The teachers
In an experiment which variable does the researcher set up and manipulate?
Dependent Variable
Extraneous Variable
Independent Variable
