Two experiments with 167 first-, third-, and fifth-grade children revealed age-related changes in the composition of natural categories. Categorization was investigated via perceptual similarities of objects and conceptual similarities of superordinate classes. The free-classification paradigm (Garner, 1974) was adapted to natural categories,…

Existing theory suggests that women in the premenstrual and menstrual phases of their hormonal cycle would select and enjoy nonarousing television programs, sucy as nonhostile comedy and game shows, and would avoid action drama and hostile and arousing programs. To test this theory, female undergraduates from telecommunications and journalism…

In a study of young children's use of conjunction in narrative discourse, different types of discourse were collected from 34 preschool children: visually prompted stories, stories told without visual stimuli, responses to questions about the prompted stories, explanations of a game, and responses in interviews. The discourse was analyzed for the…

To explore the idea of image complexity, i.e., the more complex the television news image, the more appeal it will have to audiences, two time series measures were obtained by showing a regular half hour broadcast of a "CBS Evening News" program to a group of viewers. The two measures were an objective, machine-based measure of the…

This study investigated the effects of two stimulus manipulations (spatial distinctness and number of dimensions) on the performance of 24 kindergartners and 24 fifth graders in (1) tasks requiring distributed attention and (2) tasks requiring selective attention. Results suggest that kindergartners attempt to use one processing mode (distributed…

Eighty soldiers with the same appropriate occupational specialty (armor crewman) were randomly assigned to either a simple or a complex audiovisual lesson format to determine the effect of visual art on mastery of instructional material. The audio parts of the two versions were identical, but the visual art on the revised filmstrip was simplified…

This paper introduces and defines photography, presents an overview of its applications, and shows how photographs can be used adjunctively as both artifacts and metaphors. Examples are given to demonstrate the usefulness of pictures in gathering information about a client's world, taking a history, formulating a diagnosis, and creating…

Reading and writing teachers can use visual compositions--a grouping of pictures, photos, or slides suggesting a unified story or theme--to help students understand style and organization in writing. Students who are categorized as language deficient, have difficulty with invention, or are influenced in language learning by visual/spatial input…

This study examined the question of whether the integration of abstract and realistic visualization can improve the effectiveness of visualized instruction. Two methods of integrating visualizations were investigated. The first method used hybrid illustrations, i.e., a real color photograph into which a line drawing segment has been inserted. This…

To determine if imagery mediates memory for signs and words, 80 sign-language-fluent Ss -- half of whom were congenitally deaf and half of whom were normal-hearing -- were tested by varying the imagery values of stimuli. The relative efficacy of word and sign codes in processing and retrieving information was studied by systematically varying the…

A model was developed to account for similarities and differences between picture and word processing in a variety of semantic and episodic memory tasks. The model contains three levels of processing: low-level processing of the physical characteristics of externally presented pictures and words; an intermediate level where the low-level processor…

The effects of different levels of rehearsal quality on serial recall, over and above simple labeling, were studied in a sample of 104 kindergartners. Subjects were randomly assigned to four experimental conditions. In one condition the subject and experimenter rehearsed together; in a second condition only the experimenter rehearsed; in the third…

This study was designed to determine if the failure of previous investigations to find habituation and response to novelty in infants younger than 2 months of age was because the stimuli used were too complex or because a constant number of trials rather than an individual criterion of habituation was used. A total of 24 infants between 5 and 6…

This paper explores the effects of infant predominant state of arousal upon very early mother-infant interaction, through observation of a group of 20 healthy 3-day-old nursery roommates and their mothers during hospital feeding sessions. In an experimental procedure involving a modified time-sampling technique, two observers simultaneously…

Younger students live in a media-centric world. Researchers have shown that youth today spend more time watching television and movies than most any other leisure-time activity (Pearl, 1982). In addition, the presentation speed of passages on commercial television has increased significantly in the past 50 years (Stephens, 1996). Researchers have…