Experimental Design
Psychology ⇒ Research Methods in Psychology
Experimental Design starts at 10 and continues till grade 12.
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See sample questions for grade 11
A psychologist conducts an experiment to test whether background music affects test performance. She assigns 30 students to take a test with music and 30 students to take the test in silence. What is the dependent variable?
A researcher finds that participants perform better on a memory test after drinking coffee. What is the dependent variable in this experiment?
A researcher wants to test if listening to classical music improves concentration. She randomly assigns 50 students to listen to classical music while studying and 50 students to study in silence. What is the control group in this experiment?
A researcher wants to test the effect of noise on reading comprehension. She assigns participants to either a quiet room or a noisy room and measures their test scores. What is the independent variable?
A psychologist conducts an experiment to test whether background music affects test performance. She assigns 30 students to take a test with music and 30 students to take the test in silence. What is the dependent variable?
A researcher finds that participants perform better on a memory test after drinking coffee. What is the dependent variable in this experiment?
A researcher wants to test if listening to classical music improves concentration. She randomly assigns 50 students to listen to classical music while studying and 50 students to study in silence. What is the control group in this experiment?
A researcher wants to test the effect of noise on reading comprehension. She assigns participants to either a quiet room or a noisy room and measures their test scores. What is the independent variable?
Which of the following best defines an independent variable? (1) The variable that is measured, (2) The variable that is manipulated, (3) The variable that is kept constant, (4) The variable that is random
Which of the following best describes a double-blind procedure? (1) Only the participants know which group they are in, (2) Only the researcher knows which group participants are in, (3) Neither the participants nor the researcher know which group participants are in, (4) Both the participants and the researcher know which group participants are in
Which of the following best describes a hypothesis in experimental design? (1) A proven fact, (2) A testable prediction, (3) A random guess, (4) An unchangeable law
Which of the following is a disadvantage of repeated measures design? (1) Order effects, (2) Requires more participants, (3) Increases participant variability, (4) Difficult to control variables
Fill in the blank: A __________ is a factor that can change or vary in an experiment.
Fill in the blank: A __________ variable is any variable other than the independent variable that may affect the dependent variable.
Fill in the blank: In an independent measures design, each participant is assigned to __________ experimental condition(s).
Fill in the blank: The group in an experiment that does not receive the experimental treatment is called the __________ group.
True or False: A hypothesis must be testable and falsifiable.
True or False: Counterbalancing is used to control for order effects in repeated measures designs.
True or False: Experimental designs can help establish cause-and-effect relationships.
True or False: In a matched pairs design, participants are paired based on similar characteristics and then assigned to different groups.
