Exam 13: Single-Subject Experiments
A major advantage of single-subject research compared to group research is that
A
Early researchers used the single-subject approach extensively mainly because
D
Consider the following hypothetical experiment: A researcher conducted a study to decrease the frequency with which a college professor used the words "uh" and "you know" during his lectures.The treatment consisted of a small signal at the back of the room which the experimenter flashed each time the professor uttered one of the verbal phrases targeted for extinction.An A-B-A design was used to assess the treatment effect.The results indicated a high baseline frequency of the behaviors,followed by a dramatic decrease in frequency when the treatment was initiated.The behaviors increased again when the treatment was withdrawn.Describe an alternative single-subject design that might be used to demonstrate a treatment effect.
An alternative single-subject design that could be used to demonstrate a treatment effect in this scenario is a multiple baseline design. In this design, the treatment is implemented at different times for different behaviors or in different settings for the same behavior. For example, the researcher could implement the treatment for the use of "uh" and "you know" in one lecture, while keeping the treatment withdrawn in another lecture as a control. This allows for a comparison of the behavior across different conditions and provides a stronger demonstration of the treatment effect. Additionally, by implementing the treatment at different times or in different settings, the researcher can also demonstrate the generalizability of the treatment effect. This design would provide a more robust demonstration of the effectiveness of the treatment in reducing the frequency of the targeted verbal phrases.
Maya wanted to learn to play the piano well,but she hated to practice.Her teacher felt that she should be practicing for an hour a day,but she just couldn't manage to do it.Her mother made a deal with her.Maya would be asked to practice twice a day,and each time that she practiced for 30 minutes,she would receive a reward.Her mother told her that since she wasn't sure which reward would be best for her,she would receive either extra dessert after dinner or $2.00 for each practice that lasted 30 minutes.Her mother alternated the rewards,and kept track of which system resulted in the most immediate increases in the number of minutes practiced.Maya's mother found that the money improved the practice best.
a.What was the Independent Variable(s)?
b.What was the Dependent Variable(s)?
c.What Single Subject design is used in the story?
d.Draw a graph to illustrate the design.
When naming single-subject designs,an "A" in the title refers to the
Which one of the following control strategies is not a part of the A-B-A design?
I obtained a baseline level of John's cooking behavior of 25% of the meals without praise.I then highly praised his cooking behavior,and it increased to 85% of the meals.Later,I stopped praising his cooking,and his behavior began to drop back to its baseline level.What sort of design was I using?
The discovery that human traits followed the normal curve was made by
A single-subject research design that manipulates treatments one at a time to determine their effect is the:
A major advantage of single-subject research over group research is that
Compare and contrast group designs with the single-subject approach.What are the advantages of the single-subject design? Disadvantages?
When is the changing-criterion design an appropriate design to use? When
Which one of the following strategies is not a basic control strategy in single-subject research?
Madge took special classes from Barbie to improve her spelling.Barbie first tested Madge's current spelling ability.Barbie was not sure what teaching method would work best,so she tried 3 different ones: positive practice,positive reinforcement,and correction.She tried a different method during each class,testing Madge's spelling at the end of the day.What design was Barbie using?
Marla conducts a study to gradually teach a poodle to jump through a flaming hoop.At each session,Marla introduces a more stringent set of guidelines before reinforcing the poodle.Which one of the following designs would be most appropriate for this study?
A researcher assesses the effects of two different kinds of punishment on a reversible behavior.Which one of the following designs would be most appropriate for this study?
A researcher conducts a study to bring about permanent changes in three different behaviors in a single subject.Which one of the following designs would be most appropriate for this study?
Define and/or describe the term "statistical power".
Filters
- Essay(0)
- Multiple Choice(0)
- Short Answer(0)
- True False(0)
- Matching(0)