Teachers who subscribed to these young-Earth creationist views, perhaps not surprisingly, spent 35 percent fewer hours teaching evolution than other teachers, the survey revealed.
The survey also showed that teachers who had taken more science courses themselves -- and especially those who had taken a course in evolutionary biology -- devoted more class time to evolution than teachers with weaker science backgrounds.
This may be because better-prepared teachers are more confident in dealing with students' questions about a sensitive subject, says Berkman, who notes that requiring all science teachers to take a course in evolutionary biology could have a big impact on the teaching of evolution in the schools.