Academic Lineage and Student Performance in Medical School Page: 40
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Table 13
Hypothesis 3: Carnegie Classification Association with Failure Rate
Carnegie Total N Percent Valid N Percent Missing N Percent
Classification (p) (q)
(1) Baccalaureate 57 100% 7 12.3% 50 87.7%
(2) Master's 82 100% 17 20.7% 65 79.3%
(3) Doctoral 190 100% 21 11.1% 169 88.9%
(4) Research 594 100% 58 9.8% 536 90.2%
The null hypothesis states that no difference exists between the group proportions
and was tested using the Tukey-type multiple comparison test among proportions (Zar, p.
560). The test statistic (Q) was calculated and compared with the critical value of Q at
the .05 alpha level with 4 degrees of freedom (Q0.05,=,4) which was 3.633. The data
presented in table 14 show that only classifications 2 (master's) and 4 (research) differed
significantly, Q=3.796687. Therefore, the null hypothesis was rejected. The null
hypotheses for the other comparisons were retained because the calculated test statistics
did not exceed the critical value of Q.
Table 14
Tukey-type Multiple Comparison Tests
for Carnegie Classification and Failure Rate
Comparison Test Critical Conclusion
Statistic Value
Q (Qo.05,oo,4)
1 vs 2 1.79461 3.633 Accept Ho
1 vs 3 0.47833 3.633 Accept H0
1 vs4 0.99414 3.633 Accept Ho
2 vs 3 2.8886 3.633 Accept Ho
2 vs 4 3.796687 3.633 Reject H0
3 vs 4 0.786953 3.633 Accept Ho
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Wright, James Scott. Academic Lineage and Student Performance in Medical School, dissertation, August 1999; Denton, Texas. (https://digital.library.unt.edu/ark:/67531/metadc2206/m1/49/: accessed April 18, 2024), University of North Texas Libraries, UNT Digital Library, https://digital.library.unt.edu; .