TRANSACTIONS OFTHE NEBRASKA ACADEMY OF SCIENCES: Volume 30, 2005 Table of Contents

EDITORIAL CONTENTS Nebraska Executive Committee, Policy Committee ................. ii Editorial Board ................. iv Membership Objectives and Friends of the Academy ................. inside front cover Nebraska Association of Teachers of Science ................. inside front cover Preparation of manuscripts ................. inside front cover PAPERS Predicting student performance in a statistics course using the mathematics and statistics perception scale (MPSP) (Isabelle D. Cherney and Ramie R. Cooney) ................. 1 Nuclear physics problem solving: a case study of expert-novice differences (Isabelle D. Cherney, Jordan Winter, and Michael G. Cherney) ................. 9 Plant composition of mixed-grass prairie of Cedar Point Biological Research Station, Keith County, Nebraska (David A. McKenzie) ................. 17 A survey of infectious diseases and parasites in Wild Turkeys from Nebraska (David W. Oates, Eva A. Wallner-Pendleton, Ivan Kanev, Mauritz C. Sterner, Henry E. Cerny, Megan Collins, Richard Bischof, and Ed D. Boyd) ................. 25 The unionid mussels (Mollusca: Bivalvia: Unionidae) of the Big Blue River Basin of northeastern Kansas and southeastern Nebraska (Ellet Hoke) ................. 33 The degree of chimpanzee theory of mind and the evolution of modularity (Benjamin Grant Purzycki) ................. 59 Drug use and lifestyle at a Nebraska two-year college (Bruce J. Stephen, Sarah M. Linsenmeyer, and Steven M. McGuire) ................. 6