Compares successful educational research and development organizations with unsuccessful ones, and delineates evidence of the relative technical and interpersonal competence of organization members. (Author)

Describes methods for determining the Critical Micelle Concentration of Colloidal Electrolytes; methods described are: (1) methods based on Colligative Properties, (2) methods based on the Electrical Conductivity of Colloidal Electrolytic Solutions, (3) Dye Method, (4) Dye Solubilization Method, and (5) Surface Tension Method. (BR)

Psychological test reports are different from traditional medical reports of laboratory examinations in that they less simply report findings than they describe people in ways which are likely to lead to actions beneficial to these people. Some principles of writing test reports from this point of view are included. (Author)

Discussed are the uses to which a language lab may be put for teaching students who have a sufficient understanding of a language's grammar. (LS)