Variables and Operationalization
Psychology ⇒ Research Methods in Psychology
Variables and Operationalization starts at 10 and continues till grade 12.
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See sample questions for grade 12
A researcher is studying the effect of exercise on mood. She measures mood by asking participants to rate their happiness on a scale from 1 to 10. What is the operational definition of 'mood' in this study?
A researcher measures 'intelligence' by the score on a standardized IQ test. What is the operational definition of intelligence in this study?
A researcher wants to study the effect of caffeine on memory. She gives one group caffeinated coffee and another group decaffeinated coffee, then tests their memory. What is the independent variable in this study?
A researcher wants to study the relationship between hours spent studying and exam scores. What is the dependent variable?
Describe how a confounding variable can affect the results of an experiment.
Describe how you would operationalize the variable 'academic performance' in a research study.
Describe the difference between a discrete variable and a continuous variable in psychological research.
Explain the difference between an independent variable and a dependent variable, using an example.
Explain why it is important to operationalize variables in psychological research.
What is a control variable?
What is an operational definition in psychological research?
