Experimental design

A repeated measures design is a type of experimental design where the same subjects are used in all treatment conditions. What is a repeated measures design?

• A design where different subjects are used in each treatment condition

• A design where the same subjects are used in all treatment conditions

• A design where subjects are randomly assigned to different groups

• A design where subjects are not aware of the treatment they receive

An independent groups design is a type of experimental design where:

• the same participants are used in all conditions.

• different participants are used in each condition.

• participants are matched on certain characteristics.

What is a matched pairs design?

• A type of experimental design where participants are paired based on certain characteristics and then assigned to different treatments.

• A statistical method used to compare two groups.

• A design used in surveys to match questions with answers.

• A method of random sampling in research.

What is an advantage of repeated measures design?

• It eliminates the need for a control group

• It reduces the impact of individual differences

• It increases the sample size

• It simplifies the data analysis process

What is a disadvantage of repeated measures design?

• It requires more participants.

• It increases variability between subjects.

• It can lead to order effects.

• It is more expensive to conduct.

What is an advantage of independent groups design?

• It allows for random assignment of participants to different conditions.

• It requires fewer participants compared to repeated measures design.

• It eliminates the need for a control group.

• It ensures that all participants experience all conditions.

What is a disadvantage of independent groups design?

• It requires more participants compared to repeated measures design.

• It eliminates order effects.

• It allows for individual differences to be controlled.

• It is more time-efficient.

What is an advantage of matched pairs design?

• It allows for the control of variables by matching participants with similar characteristics.

• It requires fewer participants than other designs.

• It eliminates the need for random assignment.

• It simplifies the data analysis process.

What is a disadvantage of matched pairs design?

• It requires a large sample size

• It is time-consuming to find matched pairs

• It does not control for all confounding variables

• It is difficult to analyze statistically

Counterbalancing reduces order effects because:

• it randomizes the order of conditions for each participant.

• it ensures that all participants experience the same order of conditions.

• it eliminates the need for a control group.

• it increases the sample size.