The analysis of pre-service teachers' concept images can provide information about their mental schema of fractal dimension. There is limited research on students' understanding of fractal and fractal dimension. Therefore, this study aimed to investigate the pre-service teachers' understandings of fractal dimension based on concept image. The…

Semantic differential instruments are often used to assess fluent speakers' attitudes toward people who stutter (PWS). Such instruments are prone to response bias and often lack the power to explain respondents' general impressions of PWS. To address these concerns 149 fluent university students completed an open-ended questionnaire in which they…

While the significance of validation of data collection instruments in speech act research has been recognized and has attracted considerable interest, most validation studies employed a between-subjects design. In so doing, it is possible that the differences were caused by the group effects rather than different data collection techniques. This…

Presents the results of a study on data collection instruments, specifically questionnaires, used by libraries in evaluating resource use and institutional effectiveness. A number of causes for inconsistent survey results are identified and problems with imprecision in survey question terminology are discussed. (JL)

Identifies problems that undergraduate searchers encountered in a search of the ERIC database on CD-ROM. Results of participant observation, questionnaires, and interviews are reported; a taxonomy of user problems is proposed that includes syntactic errors and semantic errors; and recommendations for menu selection systems, online help, and…

After a survey of current methods of studying lexical acquisition, none of which are really suitable for studying how specific words are acquired and used by adult learners and how such usage differs from that of native speakers, a method is proposed for the study of such qualitative aspects of second language lexical acquisition. Learners are…

This study of vocabulary change investigates the regional vocabularies found in eight of the Southern states and seeks conclusions about the relative changes in uniformity in current local use. Assumptions, procedures, and techniques for research are presented here. The results reported were obtained from a printed vocabulary questionnaire…