742 Human Factors of a Global Society
the most consistent, repeatable results. If they do not use sophisticated equipment typical for uni-
versity laboratories, they quite automatically do not care about consistency and precision in data
collection.
STage 3
The analysis of evaluation questionnaires showed the following:
According to students, the most difcult task (one-third of the answers) was to formulate prelimi-
nary questions that were to engage secondary school students in the investigation. The same number
of students found the questions interesting. One-sixth of the respondents said that they found it hard
to plan even a simple experiment. Preparing a plan of research (RPG) was a completely new task to
10% of students. The biggest group, ...