lesson 5: Experimental designs

Question 1

What are the differences between large group and single subject designs?

Answer 1

Large group- 40-200 people Observe them as a whole with a treatment group and a control(placebo) group
Single subject: Everyone gets treatment (size of the group doesnt matter)

Question 2

Why do behavior analysts prefer single subject designs over large group designs?

Answer 2

They’re focused on individual behavior

2. you need to find a large group of people
3. People don’t want to be in a control group

Question 3

Know the names and defining features of the 3 single subject research designs that are discussed in the book

Answer 3

1. Comparison (A-B)
2. Reversal (A-B-A)
3. Multiple baseline

Question 4

When should yo use multiple baseline Designs?

Answer 4

Some treatments produce irreversible effects (these are really the best treatments).
Sometimes it is unethical or impractical to remove the treatment.

Question 5

What is internal validity? Which single subject designs have it

Answer 5

if we can say that the intervention caused the behavior change, then the experiment has internal validity.

Reversal and Multiple baseline have internal validity