Developing good record-keeping habits is essential for organizing, processing, and communicating experimental results objectively. Therefore, the authors designed an interactive method of teaching first graders to record, organize, and interpret data as they studied the life cycle of the spotted salamander ("Ambystoma maculatum"). In their…

"Situational interest" is a short-term form of motivation which occurs when a specific situation stimulates the focused attention of students (e.g., a spectacular science demonstration could arouse transient interest amongst nearly all the students in a class, even those who are not normally interested in science). However, there have…

Using mini-aquaria experiments, a learning unit on the effects of light period on aquatic ecosystems was developed for 7th grade students. This guided inquiry unit was aimed at helping students understand basic ecological principles involved in relationships among physical, chemical, and biological components in aquatic ecosystems. It involved…

A discussion of India's Satellite Instructional Television Experiment (SITE). Beginning August, 1975, technologists, social scientists, politicians, and many others have been watching and assessing the progress of the experiment. (Author/HB)

An experiment concerned with presentation formats for Dialectic Information Systems (DIS) is described. The experiment investigates the effects of explicit DIS training on an individual's world view. (Author/PF)

Solar energy is ideal for supplemental applications with electric heating systems. Looks at what the National Science Foundation, in conjunction with major manufacturers, is doing about solar power for school systems. (Author)

Results of experiments on the effects of editing structure of interviews are presented. (HB)

THIS DOCUMENT COMPRISES REPORTS ON TWO TECHNIQUES USED IN SIX EXPERIMENTS DESIGNED TO ASSESS THE SYNTACTIC AND SEMANTIC PROCESSING OF AUDITORY, LINGUISTIC INPUTS. PAST RESEARCH HAS DEVELOPED THE "PROBE-LATENCY TECHNIQUE," THE FIRST OF THE TWO TECHNIQUES USED IN THIS RESEARCH, FOR ASSESSING THE STRUCTURE OF LINGUISTIC INPUTS. RESULTS TO…

IN ORDER TO COMPARE CONCEPTS OF MEANING SIMILARITY OF ENGLISH AND NAVAHO BILINGUALS, AN EXPERIMENT WAS CONDUCTED IN NORTHERN ARIZONA WITH 57 NAVAHO EIGHTH GRADERS. THEY WERE CLASSIFIED AS EITHER "COMPOUND" OR "COORDINATE" BILINGUALS ACCORDING TO WHETHER THEY HAD ASSIMILATED TWO LANGUAGES IN ASSOCIATED CONTEXTS OR IN DISSOCIATED…

This report consists of three parts: when to conduct a social experiment (and when not to), how to manage a social experiment, and some practical advice to experimenters. Social experimentation compares people who receive a certain program (experimental treatment) with similar people who do not or who receive some other treatment. Some form of…

A look at a video experiment which brings needed service improvements and a sense of community to an Israeli neighborhood with special problems, and charts the way for development of "alternate" video elsewhere in the country. (Author/HB)

In this experimental research several appeals to questionnaire respondents (professionalism, humor, importance, token compensation) were combined with stationery variations and threat of follow-up letters. Results were that no one combination of these three variables was most effective. Token compensation was recommended in combination with other…