Quiz on Within-Subjects Design

What does fatigue refer to in within-subjects designs?

• a) Participants improving on the first trials

• b) Participants getting tired and performing worse

• c) Identifying potential treatment sequences

• d) Eliminating bias due to order effects

What is a within-subjects design?

• a) All participants receive every treatment

• b) Participants are compared to themselves

• c) Participants are compared to each other

• d) Only one treatment is given

What is counterbalancing in a within-subjects design?

• a) Identifying and using potential treatment sequences

• b) Changing the order of treatments randomly

• c) Keeping the order of treatments constant

• d) Using only one treatment sequence

****What is the purpose of counterbalancing in within-subjects designs?

• a) Introduce bias

• b) Increase order effects

• c) Eliminate bias due to order effects

• d) Reduce statistical power

What is the advantage of within-subjects designs?

• a) Require more participants

• b) Have less statistical power

• c) Require fewer participants and have greater statistical power

• d) Are more time-consuming

How many levels of the independent variable (IV) are there in the Jelly Bean Taste Test?

• a) 2

• b) 3

• c) 4

• d) 5

Why is counterbalancing important in within-subjects designs?

• a) Introduces bias due to order effects

• b) Increases statistical power

• c) Eliminates the need for participants

• d) Eliminates bias due to order effects

In the Jelly Bean Taste Test, what is the dependent variable (DV)?

• a) Flavor of Jelly Bean

• b) Liking of Taste

• c) Participant #1

• d) Watermelon

Which of the following is an example of complete counterbalancing?

• a) A B C D

• b) B D A C

• c) C A D B

• d) All of the above

What is an example of order effects in the Jelly Bean Taste Test?

• a) Practice (participant change)

• b) Fatigue (participant change)

• c) Treatment Carryover (Order Effects Due to Actual Treatment)

• d) All of the above