7 research outputs found
Building an effective marketing model for Native American casinos
In 1987 the U.S. Supreme Court recognized that, as sovereign political entities, federally recognized Native American tribal entities could operate gaming facilities free of state regulation. Soon after, Congress introduced the 1988 Indian Gaming Regulatory Act (IGRA), which maps out the conditions under which Native American tribal entities are permitted to operate casinos and bingo parlors (Kilby, Fox, & Lucas, 2005). These terms and conditions for Native American casinos under IGRA regulation are Class II gaming methods. Class II gaming is defined as the game of chance commonly known as bingo (regardless of electronic, computer, or other technological aid) (Kilby et al., 2005). Class II gaming also includes non-banked card games; that is, games that are played exclusively against other players rather than against the house or a player acting as a bank. The most common form of non-banked card games are poker games (Kilby et al., 2005). The IGRA specifically excludes slot machines or electronic facsimiles of any game of chance from the definition of Class II games (Kilby et al, 2005). Tribes retain their authority to conduct, license, and regulate Class II gaming so long as the state in which the tribe is located permits such gaming for any purpose and the tribal government adopts a gaming ordinance approved by the Commission. Tribal governments are responsible for regulating Class II gaming with commission oversight. Native American casinos have the option to create a state compact to allow Class III games such as roulette, black jack, and craps (Kilby et. al., 2005). This allows the state in which the tribe operates to collect a percentage of the revenues generated by the compacted games. With the addition of new gaming options, it is important to implement a marketing model that will satisfy the new gaming market that is being tapped into with the addition of Class III games
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Setting and motivation in the decision to participate: An approach to the engagement of diverse samples in mobile research.
Internet and mobile based research are powerful tools in the creation of large, cohort studies (eCohort). However, recent analysis indicates that an underrepresentation of minority and low income groups in these studies might exceed that found in traditional research [1-5]. In this report, we present findings from an experiment in research engagement using the Eureka Research Platform developed to enroll diverse populations in support of biomedical clinical research. This experiment involved the recruitment of African American and Latino participants in a smartphone based survey at a temporary, charitable, dental event sponsored, in part, by the research team, in order to explore the impact of setting and approach on recruitment outcomes. 211 participants enrolled including a significant representation of African Americans (51%) and Latinos (31%) and those with education levels at high school or less (37%). Interviews conducted after the study confirmed that our recruitment efforts within the context of a service event affected the decision to participate. While further research is necessary, this experiment holds promise for the engagement of underrepresented groups in research
The Occurrence of Rocky Habitable-zone Planets around Solar-like Stars from Kepler Data
We present the occurrence rates for rocky planets in the habitable zones (HZs) of main-sequence dwarf stars based on the Kepler DR25 planet candidate catalog and Gaia-based stellar properties. We provide the first analysis in terms of star-dependent instellation flux, which allows us to track HZ planets. We define η⊕ as the HZ occurrence of planets with radii between 0.5 and 1.5 R⊕ orbiting stars with effective temperatures between 4800 and 6300 K. We find that η⊕ for the conservative HZ is between 0.37^(+0.48)_(−0.21) (errors reflect 68% credible intervals) and 0.60^(+0.90)_(−0.36) planets per star, while the optimistic HZ occurrence is between 0.58^(+0.73)_(−0.33) and 0.88^(+1.28)_(−0.51) planets per star. These bounds reflect two extreme assumptions about the extrapolation of completeness beyond orbital periods where DR25 completeness data are available. The large uncertainties are due to the small number of detected small HZ planets. We find similar occurrence rates between using Poisson likelihood Bayesian analysis and using Approximate Bayesian Computation. Our results are corrected for catalog completeness and reliability. Both completeness and the planet occurrence rate are dependent on stellar effective temperature. We also present occurrence rates for various stellar populations and planet size ranges. We estimate with 95% confidence that, on average, the nearest HZ planet around G and K dwarfs is ~6 pc away and there are ~4 HZ rocky planets around G and K dwarfs within 10 pc of the Sun
The Occurrence of Rocky Habitable Zone Planets Around Solar-Like Stars from Kepler Data
We present occurrence rates for rocky planets in the habitable zones (HZ) of
main-sequence dwarf stars based on the Kepler DR25 planet candidate catalog and
Gaia-based stellar properties. We provide the first analysis in terms of
star-dependent instellation flux, which allows us to track HZ planets. We
define as the HZ occurrence of planets with radius between 0.5
and 1.5 orbiting stars with effective temperatures between 4800 K
and 6300 K. We find that for the conservative HZ is between
(errors reflect 68\% credible intervals) and
planets per star, while the optimistic HZ occurrence is
between and planets per star.
These bounds reflect two extreme assumptions about the extrapolation of
completeness beyond orbital periods where DR25 completeness data are available.
The large uncertainties are due to the small number of detected small HZ
planets. We find similar occurrence rates using both a Poisson likelihood
Bayesian analysis and Approximate Bayesian Computation. Our results are
corrected for catalog completeness and reliability. Both completeness and the
planet occurrence rate are dependent on stellar effective temperature. We also
present occurrence rates for various stellar populations and planet size
ranges. We estimate with confidence that, on average, the nearest HZ
planet around G and K dwarfs is about 6 pc away, and there are about 4 HZ rocky
planets around G and K dwarfs within 10 pc of the Sun.Comment: To appear in The Astronomical Journa