Acceptance of the theory of evolution and trigger word avoidance

Abstract

The purpose of this study was to determine if the word evolution and/or its derivatives act as a "trigger" that reduces acceptance and/or understanding of evolution. Acceptance of evolutionary theory in the United States remains lower than levels seen in other countries, and lower than other equally well supported science. One of the primary goals of teaching evolution should be that of increasing levels of acceptance in addition to understanding. A factor that has been demonstrated to lower levels of acceptance is the exposure to "trigger" words related to other controversial science. The impact of the word 'evolution' and its derivatives on acceptance levels of evolutionary science has not been widely studied. These words were avoided in most class materials and lectures with a group of 7th grade biology students in Montana over the course of a five-week unit on evolutionary theory. Other content specific words like adaptation were used in its place. Students took an anonymous Likert-scale survey and misconception probe pre- and post-treatment, with responses paired through the use of student-generated coding. Data was analyzed by quantifying the Likert-scale data and then performing normalized gain, correlational, and paired t-tests analyses. The results of the study were that students in the control group that were exposed to the word evolution and its derivatives from the beginning of the content unit showed increased levels of acceptance and understanding compared to the treatment group.