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Psychology

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Western Michigan University

Masters Theses

Theses/Dissertations

2005

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The Effects Of Feedback On Hourly Pay And Individual Monetary Incentives, Douglas A. Johnson Dec 2005

The Effects Of Feedback On Hourly Pay And Individual Monetary Incentives, Douglas A. Johnson

Masters Theses

The effects of performance feedback when individuals received fixed or individual incentive pay were examined. A 2 X 2 factorial design was used with approximately 30 college students in each group. Participants attended six experimental sessions. They entered the cash value of simulated bank checks presented on a computer screen. Monetary incentives increased the number of correctly completed checks (p = .000); however feedback had no effect (p = .825). Time spent working and rate of performance correlated strongly with the number of checks completed correctly, suggesting that both influenced the checks completed correctly. The results suggest that incentives increase …


Gambling On A Simulated Slot Machine Under Conditions Of Repeated Play, Andrew Ellis Brandt Dec 2005

Gambling On A Simulated Slot Machine Under Conditions Of Repeated Play, Andrew Ellis Brandt

Masters Theses

Three experiments using a parametric, single-subject design investigated gambling behavior in eight adult humans on a slot-machine simulation. Participants were staked with credits exchangeable for money prior to each session. Experiment 1 a was a systematic replication of Weatherly and Brandt (2004), which investigated the effects of percentage payback (the amount of money gained as a proportion of the amount of money bet) on gambling. Percentage payback was varied from 50% to 110% across conditions. Consistent with Weatherly and Brandt, gambling did not vary systematically across percentage-payback conditions. Experiment 1 b replicated Experiment 1 a but also included forced-exposure sessions …


Potential Effects Of Aggressive Videogames On Young Adult’S Behavior And Physiology, Kent David Smallwood Dec 2005

Potential Effects Of Aggressive Videogames On Young Adult’S Behavior And Physiology, Kent David Smallwood

Masters Theses

Each year, interactive technology becomes more and more advanced, offering more lifelike environments, immersive experiences, and realistic situations. Additionally, the videogame industry has over doubled in size in less than ten years, now rivaling the box office industry. However, technological advances have quickly outpaced our understanding of the effects of certain types of adult content on the game player. To date, the majority of the research on the topic was conducted before the games themselves were technologically advanced enough to draw meaningful conclusions; the few studies conducted in the last few years, while offering promising methodological advancements from previous work, …


Behavioral Skills Training For Parents Of Children With Autism: Teaching Implementation Of The Natural Language Paradigm, Jill N. Gillett Aug 2005

Behavioral Skills Training For Parents Of Children With Autism: Teaching Implementation Of The Natural Language Paradigm, Jill N. Gillett

Masters Theses

The effects of the use of behavioral skills training to teach parents of children with autism to implement the Natural Language Paradigm (NLP) were examined. Data were collected on parent implementation and child behavior. Results indicated that parents of children with autism were able to learn to implement the NLP procedures and continued to implement the procedures accurately throughout the study. Child data indicated that parent-implemented NLP resulted in improvements in child play. These improvements consisted of a decrease in intervals with no toy engagement, a decrease in intervals in which inappropriate play occurred, and an increase in intervals in …


Online Contingency Management Of Writing Productivity, Matthew L. Porritt Jun 2005

Online Contingency Management Of Writing Productivity, Matthew L. Porritt

Masters Theses

Ten participants from an online community participated in an online writing productivity management program. Social reinforcement and conditioned reinforcers were delivered by the researcher contingent upon meeting self-set writing goals on a weekly basis. Graphic feedback was delivered to participants through a web page, and social reinforcers through email contact. Writing goals increased throughout the program. In all cases, the program increased writing productivity across phases of treatment or goal increases. Results are discussed in terms of rule-governed behavior and the effects of short term goals in context of long term goals.