Abstract
This study investigated whether or not an increase in secondary science teacher knowledge about evolution and the nature of science gained from completing a graduate-level evolution course was associated with greater preference for the teaching of evolution in schools. Forty-four precertified secondary biology teachers participated in a 14-week intervention designed to address documented misconceptions identified by a precourse instrument. The course produced statistically significant gains in teacher knowledge of evolution and the nature of science and a significant decrease in misconceptions about evolution and natural selection. Nevertheless, teachers’ postcourse preference positions remained unchanged; the majority of science teachers still preferred that antievolutionary ideas be taught in school.
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Appendix
Appendix
Selected Likert-scale survey questions | Variable |
---|---|
a. As evolution cannot be observed, it is outside the realm of science. | ENOS |
b. After scientists determine that theories are well supported, they refer to theories as facts. | ENOS |
c. Mutations are harmful and therefore cannot give rise to new characteristics. | ECK |
d. Evolution is weaker than many other scientific concepts because it is only a theory. | ENOS |
e. Fossil species have been found that are intermediate between humans and apes. | ECK |
f. The survival of early humans was difficult because of predatory dinosaurs. | ECK |
g. The organisms that cause malaria, gonorrhea, and tuberculosis have become resistant to antibiotics. The biological cause of this resistance is evolution. | ECK |
h. Radiometric dating of rocks indicates that the Earth is billions of years old. | ECK |
i. If evolution were true, “living fossils” like the horseshoe crab would not have stayed the same for millions of years. | ECK |
j. Evolution is not a testable scientific hypothesis because it cannot be refuted by any observation. | ENOS |
k. Chance cannot be a key factor in the origin of complex organisms. | ECK |
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Nehm, R.H., Schonfeld, I.S. Does Increasing Biology Teacher Knowledge of Evolution and the Nature of Science Lead to Greater Preference for the Teaching of Evolution in Schools?. J Sci Teacher Educ 18, 699–723 (2007). https://doi.org/10.1007/s10972-007-9062-7
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DOI: https://doi.org/10.1007/s10972-007-9062-7