In this paper, Jeff Bonner of the St. Louis Science Center discusses the merits of formal versus naturalistic evaluation within the museum context. Bonner also presents the approach and findings of a two-part study designed to compare the results of these two evaluation approaches. They compared the the results of a formal analysis of the holding power, ease of use, readability of text, and overall enjoyability of nine exhibits with a naturalistic study focused on how one volunteer, two part-time employees and a staff supervisor viewed the same exhibits.
In this paper, Minda Borun of the Franklin Institute discusses the publics' naive notions of science and how museums provide the opportune place to study the pre-existing misconceptions of visitors of all ages. Borun reveals findings from the Franklin Institute's 18-month study to discover visitors' naive notions about gravity and air pressure and to develop exhibits which help restructure these concepts. The project is intended to establish a new model for the design of effective science museum exhibits.
This project is aimed at perfecting and testing a new instructional method to improve the effectiveness of introductory physics teaching. the methods has two chief characteristics: 1) a systematic challenge to common sense misconceptions about the physical world, and 2) an emphasis on models and modeling as basic to physical understanding. Two versions of the method will be tested. The first version is designed especially for high school physics. It emphasizes student development of explicit models to interpret laboratory activities. After an initial test, this version will be taught to high school physics teachers in a summer Teacher Enhancement Workshop, and its effect on their subsequent teaching will be evaluated. Teachers with weak as well as strong backgrounds will be included. A special effort will be made to include females and minorities. The second version will be tested in a special college physics course designed to prepare students with weak backgrounds for a standard calculus based physics course. It emphasizes modeling techniques in problem solving. This project is jointly supported by the Division of Materials development, Research and Informal Science Education and the Division of Teacher Preparation and Enhancement.
The New York Hall of Science will develop a major exhibition on quantum theory--one of the most important developments in physical science in this century and one which has not been significantly treated by science museums. This exhibition will be the first major museum program to introduce quantum theory and its applications to the public. Elements of the exhibit will include models of the atom, the puzzle of light, applications of the theory and, finally, the human story of the creation of a new theory. Numerous participatory exhibits will be developed in conjunction with the project so that visitors can learn by doing. Formative evaluation will be an integral part of this exhibit. This technique has recently been adopted by museums as a way to test exhibit prototypes with museum visitors and then redesign as necessary. A workshop will be held for museum personnel and a guidebook, Improving Exhibits Through Formative Evaluation, will be produced. This book will be the first complete description of the formative evaluation process and will be a valuable addition to the museum field.
The investigation of naive conceptions of science has many implications for both teaching and learning. The predominant model for past investigations has been with school children or within very formal settings. Extending investigations of misconceptions to informal settings is the challenge of this research. Museum visitors' misconceptions about two topics, gravity and mechanical advantage, will be recorded through a variety of interview formats. Twenty-five persons from each of the age ranges 9-11, 12-14, 15-18, and college students/adults will be interviewed. Information from the interview will be used to modify the current exhibit or to build new prototypes. The research will determine if a modification can be made that results in individuals moving from their previous misconceptions toward a correct conceptualization of the concepts. This research will document what individuals actually learn from museum exhibits and how "front end evaluation" can be used to redesign exhibits for maximum concept learning. The proposed research is challenging and has the potential of adding significant information to science education research on misconceptions. The principal investigator is highly respected in the field of museum education and the associated staff and consultants are the top scholars in their respective fields.