Quasi experimental designs

Question 1

What is a time series experiment?

Answer 1

observing a series of data points taken at regular intervals to identify and analyse patterns that may exist in the data

Question 2

What is equivalent time-sample design?

Answer 2

uses multiple wash-out periods to establish treatment stability and longitudinal effects

Question 3

What is a non equivalent control group design?

Answer 3

participants are not randomly assigned to condition, resulting in groups that are likely to differ in some ways

Question 4

What is counterbalanced designs?

Answer 4

• involve multiple measurements of each subject
• designs in which experimental control is achieved/ precision enhanced by entering all participants into all treatments

Question 5

What is regression-discontinuity analysis?

Answer 5

aims to determine the causal effects of interventions by assigning a cutoff/threshold above or below which an intervention is assigned