Chapter 3: Graphing & Research Designs Flashcards
Components of a graph
- x-axis and y-axis
- labels(units)
- data points with lines connecting them
- phase line
- phase labels
independent variable
treatment applied to the client
dependent variable
target behavior measure
Confounding Variable
another factor that may affect behavior that is not controlled for (avoid this)
ex. when applying punishment, parents also pays attention to them (reinforcement)
Functional relationship
treatment procedure regularly causes a change in the target behaviour, requires two criteria:
1) IV-DV relationship
2) Replication: consistent pattern of results
A-B design
- one baseline phase (A) and one treatment phase (B)
- Baseline phase: 3 data points that do not show a trend
A-B design (Pros and cons)
pros:
- for self management
cons:
- lacks replication, so it cannot ascertain cause and effect
A-B-A-B(or reversal design)
Has two baseline phase and two treatment phases
can be varied to include more than one kind of treatment ex. ABAC, ABCAC
A-B-A-B(or reversal design): Pros and Cons
Pro:
Can establish cause and effect
Cons:
behavior may not revert back in second baseline
- may be unethical to withdraw a beneficial intervention
Multiple baseline designs
- more than one A-B design is carried out
- baselines may vary in length before treatment begins
- intervention phase is staggered across separate designs
- can provide evidence that treatment is effective
Multiple baseline across subjects
apply treatment to several different ppl
ex. nurses wearing protective gloves
Multiple baseline across target behavior
apply treatment to several different target behaviors
ex. proper pronunciation of the “th” and “z”
Multiple baseline across setting
apply treatment to several different settings
ex. stuttering at home vs. work
Multiple baseline (pros and cons)
Pros:
has no reversal, good for behaviors
- if behavior changes occurs only when the B Phase starts in each conditioning, we can conclude it was the result of intervention
Cons:
- treatment may spread across subjects, behaviors, ot settings during supposed baseline phase
Alternating-treatment design
- baseline and treatment phases are applied in rapid succession
- extraneous factors that could affect the results (ex. time of day) can be counter balanced
- treatment effects shown by fractionation: consistent separation between treatment curves