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![Page 1: A Statistical Analysis of The University of Oregon’s Retention Rates for Minority Groups Zoe Grover & Joe Croson June, 2006 Economics 419.](https://reader035.fdocuments.in/reader035/viewer/2022062716/56649e015503460f94aeafc4/html5/thumbnails/1.jpg)
A Statistical Analysis of The University of Oregon’s Retention
Rates for Minority Groups
Zoe Grover & Joe Croson
June, 2006
Economics 419
![Page 2: A Statistical Analysis of The University of Oregon’s Retention Rates for Minority Groups Zoe Grover & Joe Croson June, 2006 Economics 419.](https://reader035.fdocuments.in/reader035/viewer/2022062716/56649e015503460f94aeafc4/html5/thumbnails/2.jpg)
Retention for Minority GroupsMotivation
• Diversity is important to universities, including the UO– Open access to all at public universities is important– Diversity of experiences can enhance learning
• One focus for diversity initiatives has been under-represented racial groups
• Two critical areas where representation by these groups are affected include admissions and retention
• Differences in factors affecting minority-group retention has rarely been studied
![Page 3: A Statistical Analysis of The University of Oregon’s Retention Rates for Minority Groups Zoe Grover & Joe Croson June, 2006 Economics 419.](https://reader035.fdocuments.in/reader035/viewer/2022062716/56649e015503460f94aeafc4/html5/thumbnails/3.jpg)
Retention for Minority Groups
• Previous Literature• Descriptive Statistics
• Hypotheses• Methodology
• Results• Conclusion
![Page 4: A Statistical Analysis of The University of Oregon’s Retention Rates for Minority Groups Zoe Grover & Joe Croson June, 2006 Economics 419.](https://reader035.fdocuments.in/reader035/viewer/2022062716/56649e015503460f94aeafc4/html5/thumbnails/4.jpg)
Previous Literature
• Loo and Rolison (1986)
• Hurtado et al. (1998)
• Nora (1990)
• Singell (2002, 2006)– Differences in effects of merit based aid and need based aid.
![Page 5: A Statistical Analysis of The University of Oregon’s Retention Rates for Minority Groups Zoe Grover & Joe Croson June, 2006 Economics 419.](https://reader035.fdocuments.in/reader035/viewer/2022062716/56649e015503460f94aeafc4/html5/thumbnails/5.jpg)
Our Paper
• We will be extending Singell’s study to examine the differences in how various factors affect retention across minority groups at the UO.
• We will separate Singell’s model by race to see how retention varies.
• We will also consider other factors affecting retention not studied by Singell
![Page 6: A Statistical Analysis of The University of Oregon’s Retention Rates for Minority Groups Zoe Grover & Joe Croson June, 2006 Economics 419.](https://reader035.fdocuments.in/reader035/viewer/2022062716/56649e015503460f94aeafc4/html5/thumbnails/6.jpg)
Hypotheses
• Factors– Financial– Academic– Social/Adaptation
![Page 7: A Statistical Analysis of The University of Oregon’s Retention Rates for Minority Groups Zoe Grover & Joe Croson June, 2006 Economics 419.](https://reader035.fdocuments.in/reader035/viewer/2022062716/56649e015503460f94aeafc4/html5/thumbnails/7.jpg)
Hypotheses
• Factors– Financial
• Family Income• Work Study Hours• Financial Aid Eligibility• Scholarships
– Academic– Social/Adaptation
![Page 8: A Statistical Analysis of The University of Oregon’s Retention Rates for Minority Groups Zoe Grover & Joe Croson June, 2006 Economics 419.](https://reader035.fdocuments.in/reader035/viewer/2022062716/56649e015503460f94aeafc4/html5/thumbnails/8.jpg)
Hypotheses
• Factors– Financial– Academic
• High School GPA• UO GPA• SAT Scores
– Social/Adaptation
![Page 9: A Statistical Analysis of The University of Oregon’s Retention Rates for Minority Groups Zoe Grover & Joe Croson June, 2006 Economics 419.](https://reader035.fdocuments.in/reader035/viewer/2022062716/56649e015503460f94aeafc4/html5/thumbnails/9.jpg)
Hypotheses
• Factors– Financial– Academic– Social/Adaptation
• Demographics of student’s community of origin– Percent of Community with Bachelors Degree– School Type– School Size
![Page 10: A Statistical Analysis of The University of Oregon’s Retention Rates for Minority Groups Zoe Grover & Joe Croson June, 2006 Economics 419.](https://reader035.fdocuments.in/reader035/viewer/2022062716/56649e015503460f94aeafc4/html5/thumbnails/10.jpg)
Descriptive StatisticsA Comparison
83.52
1.63
3.2
5
1.32 7.29
White
African American
Asian
Hispanic
Native American
More Than One Race,Other, Did Not Reply
74.29%
1.64%
5.83%
3.12%
1.17%
5.43%8.52%
University of Oregon Demographics
State of Oregon Demographics
![Page 11: A Statistical Analysis of The University of Oregon’s Retention Rates for Minority Groups Zoe Grover & Joe Croson June, 2006 Economics 419.](https://reader035.fdocuments.in/reader035/viewer/2022062716/56649e015503460f94aeafc4/html5/thumbnails/11.jpg)
Descriptive Statistics Hometown
Percent of Hometown With Bachelor’s Degree
Asian 27.70%
African American 24.40%
Hispanic 25.90%
Native American 23.40%
White 29.70%
![Page 12: A Statistical Analysis of The University of Oregon’s Retention Rates for Minority Groups Zoe Grover & Joe Croson June, 2006 Economics 419.](https://reader035.fdocuments.in/reader035/viewer/2022062716/56649e015503460f94aeafc4/html5/thumbnails/12.jpg)
Descriptive Statistics Hometown Income Levels
Race/Ethnicity Median Household Income Average Family Income
Asian $35,461 $57,794
African American $31,410 $50,583
Hispanic $32,152 $56,252
Native American $31,473 $53,777
White $34,509 $59,172
![Page 13: A Statistical Analysis of The University of Oregon’s Retention Rates for Minority Groups Zoe Grover & Joe Croson June, 2006 Economics 419.](https://reader035.fdocuments.in/reader035/viewer/2022062716/56649e015503460f94aeafc4/html5/thumbnails/13.jpg)
Average Yearly Financial Aid Over a Four Year Period
0
500
1000
1500
2000
2500
3000
Grants Subsidized Unsubsidized Scholarships Workstudy
Asian
AfricanAmerican
Hispanic
NativeAmerican
White
![Page 14: A Statistical Analysis of The University of Oregon’s Retention Rates for Minority Groups Zoe Grover & Joe Croson June, 2006 Economics 419.](https://reader035.fdocuments.in/reader035/viewer/2022062716/56649e015503460f94aeafc4/html5/thumbnails/14.jpg)
Descriptive Statistics Grade Point Average
Race/Ethnicity Year 1 Year 2 Year 3 Year 4
Asian 2.84 2.88 2.95 2.95
African American 2.4 2.51 2.49 2.74
Hispanic 2.71 2.75 2.97 2.9
Native American 2.75 2.8 2.79 2.88
White, Caucasian 2.92 2.93 3.02 3.11
![Page 15: A Statistical Analysis of The University of Oregon’s Retention Rates for Minority Groups Zoe Grover & Joe Croson June, 2006 Economics 419.](https://reader035.fdocuments.in/reader035/viewer/2022062716/56649e015503460f94aeafc4/html5/thumbnails/15.jpg)
Methodology
• We will be using a statistical model that estimates the contribution of a specific factor or characteristic in retaining a student at the UO, holding all other factors constant.– For example, if an African-American student were
given $1000 more in scholarship monies, how much more likely would they be retained at UO?
– How does this differ from giving a Hispanic (or White) student an extra $1000?
![Page 16: A Statistical Analysis of The University of Oregon’s Retention Rates for Minority Groups Zoe Grover & Joe Croson June, 2006 Economics 419.](https://reader035.fdocuments.in/reader035/viewer/2022062716/56649e015503460f94aeafc4/html5/thumbnails/16.jpg)
Methodology
• Data Source– UO Admissions Data with generous help from Prof. Singell
• Statistical Model
Retention= C +B1Gender + B2Resident+B3Contact Age +B4HSType+ B5CityType +B6Net High School GPA+ B7Net Cumulative SAT+ B8First Year GPA+ B9Average Family Income +B10FAFSA Completion +B11Aid Eligibility +B12Financial Aid + B13Scholarships + Random Error Term
![Page 17: A Statistical Analysis of The University of Oregon’s Retention Rates for Minority Groups Zoe Grover & Joe Croson June, 2006 Economics 419.](https://reader035.fdocuments.in/reader035/viewer/2022062716/56649e015503460f94aeafc4/html5/thumbnails/17.jpg)
Results
• Retention To Sophomore Year• Academic Effects• Family Background Effects• Gender• Hometown Community Characteristics• Financial Aid, Scholarship, Grant Effects
![Page 18: A Statistical Analysis of The University of Oregon’s Retention Rates for Minority Groups Zoe Grover & Joe Croson June, 2006 Economics 419.](https://reader035.fdocuments.in/reader035/viewer/2022062716/56649e015503460f94aeafc4/html5/thumbnails/18.jpg)
Results• Retention To Sophomore Year
• Academic Effects
• Family Background Effects• Gender• Hometown Community
Characteristics• Financial Aid, Scholarship,
Grant Effects
RaceAsians
African Americans
HispanicsNative Americans
Whites
UO GPA(change from 3.0 to 4.0)
11.89%** 5.02%** 9.44%** 11.44%** 9.69%**
![Page 19: A Statistical Analysis of The University of Oregon’s Retention Rates for Minority Groups Zoe Grover & Joe Croson June, 2006 Economics 419.](https://reader035.fdocuments.in/reader035/viewer/2022062716/56649e015503460f94aeafc4/html5/thumbnails/19.jpg)
Results
• Retention to Sophomore Year• Academic Effects• Family Background Effects
• Gender• Hometown Community
Characteristics• Financial Aid, Scholarship,
Grant Effects
RaceAsians
African Americans
HispanicsNative Americans
Whites
Median Household Income(change from $40,000 to $80,000)
0.40% - 2.00% 18.40%** - 8.00% 4.80%**
![Page 20: A Statistical Analysis of The University of Oregon’s Retention Rates for Minority Groups Zoe Grover & Joe Croson June, 2006 Economics 419.](https://reader035.fdocuments.in/reader035/viewer/2022062716/56649e015503460f94aeafc4/html5/thumbnails/20.jpg)
Results• Retention to Sophomore Year
• Academic Effects
• Family Background Effects
• Gender
• Hometown Community Characteristics
• Financial Aid, Scholarship, Grant Effects
RaceAsians
African Americans
HispanicsNative Americans
Whites
Average Family Income(change from $40,000 to $80,000)
1.20% 44.00%** 8.00% 11.60% 4.80%**
![Page 21: A Statistical Analysis of The University of Oregon’s Retention Rates for Minority Groups Zoe Grover & Joe Croson June, 2006 Economics 419.](https://reader035.fdocuments.in/reader035/viewer/2022062716/56649e015503460f94aeafc4/html5/thumbnails/21.jpg)
Results
• Retention to Sophomore Year• Academic Effects• Family Background Effects• Gender
• Hometown Community Characteristics
• Financial Aid, Scholarship, Grant Effects
RaceAsians
African Americans
HispanicsNative Americans
Whites
Gender- If Female 4.54%** -1.74% -8.36%** -4.76% -3.37%**
![Page 22: A Statistical Analysis of The University of Oregon’s Retention Rates for Minority Groups Zoe Grover & Joe Croson June, 2006 Economics 419.](https://reader035.fdocuments.in/reader035/viewer/2022062716/56649e015503460f94aeafc4/html5/thumbnails/22.jpg)
Results• Retention to Sophomore Year
• Academic Effects• Family Background Effects• Gender• Hometown Community
Characteristics
• Financial Aid, Scholarship, Grant Effects
RaceAsians
African Americans
HispanicsNative Americans
Whites
Percent of Hometown
w/ Bachelor’s Degree(change of 1 percentage point)
0.29%** 0.48% 0.77%** 0.39% 0.17%**
![Page 23: A Statistical Analysis of The University of Oregon’s Retention Rates for Minority Groups Zoe Grover & Joe Croson June, 2006 Economics 419.](https://reader035.fdocuments.in/reader035/viewer/2022062716/56649e015503460f94aeafc4/html5/thumbnails/23.jpg)
Results• Retention to Sophomore Year
• Academic Effects• Family Background Effects• Gender• Hometown Community
Characteristics
• Financial Aid, Scholarship, Grant Effects
RaceAsians
African Americans
HispanicsNative Americans
Whites
Percent of Hometown
That is White(change of 1 percentage point)
0.09% -0.06% 0.37%** -0.06% -0.17%**
![Page 24: A Statistical Analysis of The University of Oregon’s Retention Rates for Minority Groups Zoe Grover & Joe Croson June, 2006 Economics 419.](https://reader035.fdocuments.in/reader035/viewer/2022062716/56649e015503460f94aeafc4/html5/thumbnails/24.jpg)
Results
• Retention to Sophomore Year• Academic Effects
• Family Background Effects
• Gender
• Hometown Community Characteristics
• Financial Aid, Scholarship, Grant Effects
RaceAsians
African Americans
HispanicsNative Americans
Whites
Positive Financial Aid Eligibility(change of $1000)
0.96%** 2.29%** 0.57% -3.24%** -0.06%
![Page 25: A Statistical Analysis of The University of Oregon’s Retention Rates for Minority Groups Zoe Grover & Joe Croson June, 2006 Economics 419.](https://reader035.fdocuments.in/reader035/viewer/2022062716/56649e015503460f94aeafc4/html5/thumbnails/25.jpg)
Results
• Retention to Sophomore Year
• Academic Effects• Family Background Effects• Gender• Hometown Community
Characteristics• Financial Aid, Scholarship,
Grant Effects
RaceAsians
African Americans
HispanicsNative Americans
Whites
Unsubsidized Loan(change of $1000)
-1.75%** -2.08%** -1.21%* -0.23% -1.06%**
![Page 26: A Statistical Analysis of The University of Oregon’s Retention Rates for Minority Groups Zoe Grover & Joe Croson June, 2006 Economics 419.](https://reader035.fdocuments.in/reader035/viewer/2022062716/56649e015503460f94aeafc4/html5/thumbnails/26.jpg)
Results
• Retention to Sophomore Year• Academic Effects
• Family Background Effects
• Gender
• Hometown Community Characteristics
• Financial Aid, Scholarship, Grant Effects
RaceAsians
African Americans
HispanicsNative Americans
Whites
Subsidized Loans(change of $1000)
2.74%* 0.87% 0.21% 5.76% 1.43%**
![Page 27: A Statistical Analysis of The University of Oregon’s Retention Rates for Minority Groups Zoe Grover & Joe Croson June, 2006 Economics 419.](https://reader035.fdocuments.in/reader035/viewer/2022062716/56649e015503460f94aeafc4/html5/thumbnails/27.jpg)
Results
• Retention to Sophomore Year• Academic Effects• Family Background Effects• Gender• Hometown Community
Characteristics• Financial Aid, Scholarship, Grant
Effects
RaceAsians
African Americans
HispanicsNative Americans
Whites
Diversity Scholarships(change of $1000)
2.98%** 4.96%** 2.23% 3.04% ---
![Page 28: A Statistical Analysis of The University of Oregon’s Retention Rates for Minority Groups Zoe Grover & Joe Croson June, 2006 Economics 419.](https://reader035.fdocuments.in/reader035/viewer/2022062716/56649e015503460f94aeafc4/html5/thumbnails/28.jpg)
Results
• Retention to Sophomore Year• Academic Effects• Family Background Effects• Gender• Hometown Community
Characteristics• Financial Aid, Scholarship, Grant
Effects
RaceAsians
African Americans
HispanicsNative Americans
Whites
Deans Scholarships(change of $1000)
-0.74% 6.52% 4.18% 16.31%* 0.29%
![Page 29: A Statistical Analysis of The University of Oregon’s Retention Rates for Minority Groups Zoe Grover & Joe Croson June, 2006 Economics 419.](https://reader035.fdocuments.in/reader035/viewer/2022062716/56649e015503460f94aeafc4/html5/thumbnails/29.jpg)
Results
• Retention to Sophomore Year• Academic Effects• Family Background Effects• Gender• Hometown Community
Characteristics• Financial Aid, Scholarship, Grant
Effects
RaceAsians
African Americans
HispanicsNative Americans
Whites
Other Scholarships(change of $1000)
6.12%** 4.00% 0.15% 9.12% 2.64%**
![Page 30: A Statistical Analysis of The University of Oregon’s Retention Rates for Minority Groups Zoe Grover & Joe Croson June, 2006 Economics 419.](https://reader035.fdocuments.in/reader035/viewer/2022062716/56649e015503460f94aeafc4/html5/thumbnails/30.jpg)
Results
• Retention to Sophomore Year• Academic Effects• Family Background Effects• Gender• Hometown Community
Characteristics• Financial Aid, Scholarship, Grant
Effects
RaceAsians
African Americans
HispanicsNative Americans
Whites
Grants(change of $1000)
-5.84%** -4.68%* -0.64% 0.67% 0.97%**
![Page 31: A Statistical Analysis of The University of Oregon’s Retention Rates for Minority Groups Zoe Grover & Joe Croson June, 2006 Economics 419.](https://reader035.fdocuments.in/reader035/viewer/2022062716/56649e015503460f94aeafc4/html5/thumbnails/31.jpg)
Conclusion
• General Results– Asian students respond to both financial aid and
scholarship dollars– Hispanic students respond more heavily to hometown
community attributes– African American students respond to financial
factors, specifically diversity scholarship dollars, GPA seems less important
– White students respond to a full spectrum of factors, but in most cases to a lesser degree
• Missing Variables/ Future Research
![Page 32: A Statistical Analysis of The University of Oregon’s Retention Rates for Minority Groups Zoe Grover & Joe Croson June, 2006 Economics 419.](https://reader035.fdocuments.in/reader035/viewer/2022062716/56649e015503460f94aeafc4/html5/thumbnails/32.jpg)
Conclusion
• General Results
• Missing Variables/Future Research– Athletes– Clubs, Organizations– On Campus Living– Faculty and Leadership Demographics