Journal of Undergraduate Research
Editors
Beth Varden
Scott White
Graphic Designer
Michael Dorsey
Christine Giberson

Table of Contents
5
Justine D. Wagner
Minimum Wages in Costa Rica: Structure, Enforcement, and Compliance
8
Maura Smyth
Outer Spaces and Extralinguistic Places: The Poetry of Edwin Morgan
24
Michael S. McLaurin
Show and Prove: The Politics of Hip Hop Authenticity
34
Adrian Yanoshik
Stock Market Reactions to Negative Information and Evidence of Insider Trading: An Event Study of ImClone Systems
54
Elefteria Papavasilis
Keystone Patriots: Women Soldiers in Pennsylvania Regiments During the American Civil War
64
A Survey of Abstraction in Reinforcement Learning
86
Amy Larson
Validating the Invalid: The Discourse of Sick-room Poetics
110
Emily M. Junod
Lausanne and Baltimore: A Comparative Study of Drug Treatment Services
128
Lie’ Anne Van-Tull
Interactive Effects of Bt-Active Corn on Corn Litter Decay and Detritivore Foraging in and Agricultural Stream Ecosystem
154
Biographies
166