THE LOGIC OF UNIVERSITY-STUDENTS MISUNDERSTANDING OF NATURAL-SELECTION

被引:56
作者
GREENE, ED
机构
[1] Department of Biology, Appalachian State University, Boone, North Carolina
关键词
D O I
10.1002/tea.3660270907
中图分类号
G40 [教育学];
学科分类号
040101 ; 120403 ;
摘要
Misunderstanding of the idea of evolution (natural selection) was assumed to occur because students were basing their explanations on the following mistaken assumptions: (1) variations in a population have little importance in its change process; (2) when nature changes, it is not at random. From these assumptions, hypotheses were developed and tested by analyzing the responses of 322 university sophomores (education majors) on an evolution problem “How could the bat have evolved wings?”. A classification system that was developed required judgments on whether a population or typological focus was used, whether the change process was open or closed to environmental information and how the selection process functioned. The contention that misunderstanding is logical was supported by acceptance of the following hypotheses: (1) students adopting a population focus also used a closed‐change process; (2) students seeing change as more directed used less functional selection processes, with one exception; (3) students using acquired traits did not use a functional idea of selection. Copyright © 1990 Wiley Periodicals, Inc., A Wiley Company
引用
收藏
页码:875 / 885
页数:11
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