CZECH HIGH SCHOOL STUDENTS’ MISCONCEPTIONS ABOUT BASIC GENETIC CONCEPTS: PRELIMINARY RESULTS
2016
The revelation of misconceptions contributes to better
education, especially when that information is described in a
specific field of science. Additionally, genetics is one of
very problematic topics, and misconceptions appear there
frequently as there are difficult interconnections among them.
The main aim of the study was to explore high school students´
misconceptions about basic genetics concepts. Moreover the
influence of gender was also examined. Respondents were 102
Czech high school students of two high schools. Research tool
was test containing 15 two tier questions concerning about
basic genetics concepts like chromosome, DNA, allele and gene.
Reliability was determined with the use of Cronbach’s alpha
coefficient. The result of Kolmogor-Smirnov test allowed to use
parametric statistical methods. The data were analysed by the
using of descriptive statistical methods (mean score) and
inferential statistical methods (ANOVA). Concept ‘DNA’ was
determined as the most problematic one for students, contrarily
concept ‘allele’ was the simplest one. It was found that high
school students do not understand selected basic genetic
concepts. In addition, students do not interconnect genetic
concepts within one complex system of knowledge, they also do
not realise structure and hierarchy of these concepts.
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