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Direct linkChoulakian, V. – Psychometrika, 2008
The aim of this paper is to study the analysis of contingency tables with one heavyweight column or one heavyweight entry by taxicab correspondence analysis (TCA). Given that the mathematics of TCA is simpler than the mathematics of correspondence analysis (CA), the influence of one heavyweight column on the outputs of TCA is studied explicitly…
Descriptors: Statistical Analysis, Tables (Data), Correlation, Data Analysis
PDF pending restorationWainer, Howard – 1982
The past decade has seen a substantial growth in methods and schemes for the display of multivariate data. This paper encompasses a sketch of the history of multivariate displays, from the pre-Columbian Quipu to Chernoff's Face; examines a number of techniques; describes their construction; illustrates their use; and comments on their efficacy.…
Descriptors: Data Analysis, Display Aids, Graphs, Multivariate Analysis
Schaffer, Lemuel C.; Hannafin, Michael J. – Educational Communication and Technology, 1986
Studies the effects of varying levels of interactivity on the learning rate of 98 high school students using four increasingly interactive versions of computer-based interactive video instruction. Students are grouped by ability levels and results are compared for recall rate, instructional time, and acquisition rate. Twenty-two references are…
Descriptors: Ability Grouping, Comparative Analysis, Computer Assisted Instruction, Graphs
Peer reviewedHenry, Gary T. – Evaluation Review, 1993
Effectiveness in presenting information of a modified box plot and a multivariate STAR graph was compared with that of tables for a sample audience for evaluation results (133 school superintendents, 123 journalists, 100 school board members, 100 principals, 100 teachers). Individual item analysis offers guidance for designing multivariate…
Descriptors: Boards of Education, Computer Graphics, Display Systems, Educational Assessment
Carlson, James E.; Spray, Judith A. – 1986
This paper discussed methods currently under study for use with multiple-response data. Besides using Bonferroni inequality methods to control type one error rate over a set of inferences involving multiple response data, a recently proposed methodology of plotting the p-values resulting from multiple significance tests was explored. Proficiency…
Descriptors: Cutting Scores, Data Analysis, Difficulty Level, Error of Measurement
Peer reviewedMajor, Roy C.; Faudree, Michael C. – Studies in Second Language Acquisition, 1996
Studies native speakers of Korean to determine the role of universals in their acquisition of English obstruent voicing contrasts. Data were collected from a passage and a word list containing voiced and voiceless obstruents in initial, medial, and final word positions. Results reflected principles of markedness, universals of L1 acquisition, and…
Descriptors: Acoustic Phonetics, Adults, Consonants, English (Second Language)
