A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2018; you can also visit the original URL.
The file type is
<p>We sampled the alternative conceptions of 257 third grade students (8-11 years old) using an open questionnaire. The answers were categorized into three topics and used to construct a multiple choice instrument. Following the pretest our instruction phase contained the confrontation with the students' own alternative conceptions about humans' and cats' vision at a wildlife-park. Immediately after instruction, the multiple choice instrument was presented as a post test and several weeks laterdoi:10.22158/wjer.v4n3p417 fatcat:nxbehrxm2ja5xn3nd4obrmbzce