A pupil's ability to identify common organisms is necessary for acquiring further knowledge of biology. We investigated how pupils were able to identify 25 bird species following their song, growth habits, or both features presented simultaneously. Just about 19% of birds were successfully identified by song, about 39% by growth habit, and 45% of…

This study was designed to examine the effects of age and sex on susceptibility to field dependence training and to determine whether the field dependence phenomenon is a function of cognitive style or of a general inability to make correct judgments because of confusing and inaccurate information. (MS)

How the mode of input of stimuli affects the quality or type of response was studied by comparing the number of paradigmatic responses and syntagmatic responses to both orally and visually presented stimulus words. The following groups, totaling 194 subjects, were involved in four experiments: (1) 18 institutionalized disturbed adolescents, (2) 96…

To study the development of selective attention in children a paradigm was developed in which certain features of the stimulus were designated as relevant for task performance while others were defined as incidental. Performance on the central task was assessed as well as later recall of information about the incidental stimuli, and these two…