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- Title
- A COMPARISON OF DEVELOPMENTAL STAGES OF DISTRIBUTIVE JUSTICE REASONING BETWEEN LOWER AND MIDDLE CLASS CHILDREN.
- Creator
- ENRIGHT, WILLIAM F., JR., Florida Atlantic University, Smith, Lawrence E.
- Abstract/Description
-
In this dissertation three studies were implemented to investigate the differences in distributive justice development between lower and middle class children. In Study 1, conducted on all white children in a rural Florida school, twenty-eight middle and twenty-eight lower class children from kindergarten and third grades were given the Distributive Justice Scale (DJS) and the vocabulary section of the Standford-Binet Intelligence Scale. The results of this study showed that regardless of...
Show moreIn this dissertation three studies were implemented to investigate the differences in distributive justice development between lower and middle class children. In Study 1, conducted on all white children in a rural Florida school, twenty-eight middle and twenty-eight lower class children from kindergarten and third grades were given the Distributive Justice Scale (DJS) and the vocabulary section of the Standford-Binet Intelligence Scale. The results of this study showed that regardless of grade level, the lower class lagged behind the middle class in distributive justice development. There were not significant differences found between the social classes in verbal ability. Since Study 1 was the first study to investigate this topic, it was thought necessary to replicate the findings in a different part of the country on a different population. Study 2 was conducted on all black children from an inner-city Midwestern school. Thirty-two middle and thirty-two lower class children from kindergarten and third grade were given the above measures. A new dimension was added to Study 2 in that a sociometric peer-rating scale was given to investigate the interactional pattern between the social classes. The distributive justice and verbal ability results replicated Study 1. The peer ratings showed that the lower class kindergarten children segregate themselves, while third grade children do not. The findings also showed that in both grade levels, the lower class children were chosen significantly more often for negative social characteristics. Study 3 was conducted in the same school as Study 1, the following school year, on different children. Study 3 was concerned with replicating the distributive justice results in a time-sequential research design. This study was also concerned with replicating the sociometric results of Study 2 in a different part of the country on a different population. In Study 3, twenty-eight middle and twenty-eight lower class children from kindergarten and third grade were administered the three previously mentioned instruments. The distributive justice and vocabulary results replicated Studies 1 and 2. The sociometric results showed that middle class and lower class children chose in the same way. Lower class children were consistently chosen for negative social characteristics, while middle class children were chosen for the positive social characteristics. A social reality and social dominance hypothesis are presented and discussed to explain this phenomenon. Implications for future research are presented and discussed.
Show less - Date Issued
- 1980
- PURL
- http://purl.flvc.org/fcla/dt/11755
- Subject Headings
- Distributive justice--Case studies, Child development
- Format
- Document (PDF)
- Title
- Validation of a Monte Carlo dose calculation algorithm for clinical electron beams in the presence of phantoms with complex heterogeneities.
- Creator
- Enright, Shayla Landfair, Pella, Silvia, Florida Atlantic University, Charles E. Schmidt College of Science, Department of Physics
- Abstract/Description
-
The purpose of this thesis is to validate the Monte Carlo algorithm for electron radiotherapy in the Eclipse™ treatment planning system (TPS), and to compare the accuracy of the Electron Monte Carlo algorithm (eMC) to the Pencil Beam algorithm (PB) in Eclipse™. Dose distributions from GafChromic™ EBT3 film measurements were compared to dose distributions from eMC and PB treatment plans. Measurements were obtained with 6MeV, 9MeV, and 12MeV electron beams at various depths. A 1 cm thick solid...
Show moreThe purpose of this thesis is to validate the Monte Carlo algorithm for electron radiotherapy in the Eclipse™ treatment planning system (TPS), and to compare the accuracy of the Electron Monte Carlo algorithm (eMC) to the Pencil Beam algorithm (PB) in Eclipse™. Dose distributions from GafChromic™ EBT3 film measurements were compared to dose distributions from eMC and PB treatment plans. Measurements were obtained with 6MeV, 9MeV, and 12MeV electron beams at various depths. A 1 cm thick solid water template with holes for bone-like and lung-like plugs was used to create assorted configurations and heterogeneities. Dose distributions from eMC plans agreed better with the film measurements based on gamma analysis. Gamma values for eMC were between 83%-99%, whereas gamma values for PB treatment plans were as low as 38.66%. Our results show that using the eMC algorithm will improve dose accuracy in regions with heterogeneities and should be considered over PB.
Show less - Date Issued
- 2014
- PURL
- http://purl.flvc.org/fau/fd/FA00004192
- Subject Headings
- Electron beams -- Therapeutic use, Image guided radiotherapy, Monte Carlo method, Proton beams -- Therapeutic use, Radiation dosimetry, Radiotherapy, High energy
- Format
- Document (PDF)
- Title
- Characterization of genetic markers for in vitro cell line identification of the marine sponge, Axinella corrugata.
- Creator
- Lopez, Jose V., Peterson, C. L., Willoughby, Robin, Wright, Amy E., Enright, E., Zoladz, S., Pomponi, Shirley A.
- Date Issued
- 2002
- PURL
- http://purl.flvc.org/FCLA/DT/3355156
- Subject Headings
- Sponges--Research, Marine invertebrates, Genetic markers
- Format
- Document (PDF)
