describe a repeated measures design

describe an independent groups design

describe matched pairs design

what are 2 limitations of repeated measures?

how would an order effect change results?

what may participants guessing the aim lead to?

what are 2 limitations of independent groups?

what do participant variables act as?

how can this be prevented?

how many more participants are needed for independent measures design?

what ae two limitations of matched pairs?

why is it so time consuming?

why cant you control all participant variables?

what do these uncontrolled variables act as?

what is counterbalancing?

what are the two ways to do this?

what is the other way to do this?

what happens in a single blind trial?

what happens in a double blind trial?

what does a double blind trial reduce?