Unblocking brainstorms

Article Abstract:

Brainstorming groups have consistently produced fewer ideas than have the equivalent number of individuals working by themselves. These results have been attributed to social loafing, evaluation apprehension, and production blocking in groups. In this study, a new brainstorming technique - electronic brainstorming - that may reduce both production blocking and evaluation apprehension was assessed. Electronic and nonelectronic groups and nominal and interacting groups were compared in a 2 X 2 factorial design. Electronic groups were more productive than nonelectronic groups, but the productivity of nominal and interacting groups did not differ. In contrast, interacting groups felt better about the idea-generation process than did nominal groups. Ways in which electronic brainstorming can reopen a long-dormant area of research and application are discussed. (Reprinted by permission of the publisher.)

Methods, Technology application, Problem solving, Group problem solving

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Unfair comparisons

Article Abstract:

When researchers test two or more variables or when they compare two or more factors, they can conclude that one variable or factor is stronger than the other. However, it may be that one variable is not stronger or more present in the study, but has actually been more manipulated or measured more effectively than the other, due to poor research design or insensitive research work. In this way, results can become little more than new views of the measures used. Care must be taken to make the fair test comparisons. Comparative study as a technique in applied psychological research is discussed, and four case studies demonstrate good comparative study techniques.

Usage, Testing, Comparative analysis, Tests, Psychological tests, Psychology, Applied, Applied psychology, Human experimentation in psychology, Human psychological experimentation

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Assessment of a consensus-based multiple information source job evaluation system

Article Abstract:

A study using group consensus ratings from two groups and multiple information sources as background for a wage prediction model found no significant differences between the groups. Eight ratings were used to explain variations in existing wage rates. The results were comparable to those obtained through other methods.

Case studies, Job evaluation

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