Ch.8: Single Subject Design

Question 1

Single Subject Design (SSD)

Answer 1

a research approach that involves examining change in individual people over multiple time points or observations

Question 2

Basic Components of SSD

Answer 2

-A participant (N=1)
-A dependent variable that can be observed and measured
-more than 3 points of observation before and after intervention
-IV/an intervention or treatment that serves as the independent variable (dashed lines on the graph)

Question 3

SSD Visual considerations/clues

Answer 3

-level: inspect the actual data points
-trend: pattern of slope line(increasing or decreasing)
-variability: movement in the line (stable or flucuating)

Question 3

SSD Assumptions

Answer 3

1. any changes observed is “clinically” meaningful
   -observe client progress & evaluate practice
2. there is nothing else that could have caused changes shown in the graph

Question 4

Common SSDs

Answer 4

B, AB, ABAB, ABCD
A= baseline
B,C,D,E= intervention

Question 5

Threats to Internal Validity

Answer 5

carry-over effects & self-monitoring

Question 6

Carry-over Effects

Answer 6

the effects of previous intervention persist during the implementation of another intervention

Question 7

Self-monitoring

Answer 7

Paying attention to a behavior causes it to change