Ideas that people/children have that may not completle agree with what is generally accepted as correct.
Children's explanations (ideas and concepts) about scientific phenomena that do not agree with the explanations given by scientist.
A well established research strategy where the focus in on a case (which is interpreted very widely to include the study of an individual person, a group, a setting, an organization, etc) in its own right, and taking its context into account. Typically involves multiple methods of data collections. Can include quantitative data, though qualitative data are almost invariably collected (Robson, 2002)