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Direct linkKang, M.; Im, T. – Journal of Computer Assisted Learning, 2013
Interaction in the online learning environment has been regarded as one of the most critical elements that affect learning outcomes. This study examined what factors in learner-instructor interaction can predict the learner's outcomes in the online learning environment. Learners in K Online University participated by answering the survey, and data…
Descriptors: Teacher Student Relationship, Electronic Learning, Foreign Countries, Student Surveys
DePaolo, Concetta A.; Robinson, David F. – Journal of Statistics Education, 2011
In this paper we present time series data collected from a cafe run by business students at a Midwestern public university. The data were collected over a ten-week period during the spring semester of 2010. These data can be used in introductory courses to illustrate basic concepts of time series and forecasting, including trend, seasonality, and…
Descriptors: Introductory Courses, Statistical Data, Statistical Analysis, Statistics
Download full textElashoff, Janet Dixon; Elashoff, Robert M. – 1970
This paper introduces a model for describing outliers (observations which are extreme in some sense or violate the apparent pattern of other observations) in linear regression which can be viewed as a mixture of a quadratic and a linear regression. The maximum likelihood estimators of the parameters in the model are derived and their asymptotic…
Descriptors: Correlation, Mathematical Models, Multiple Regression Analysis, Research Methodology
Bulcock, J. W.; And Others – 1979
The testing of contemporary sociological theory often calls for the application of structural-equation models to data which are inherently collinear. It is shown that simple ridge regression, which is commonly used for controlling the instability of ordinary least squares regression estimates in ill-conditioned data sets, is not a legitimate…
Descriptors: Correlation, Foreign Countries, Learning, Multiple Regression Analysis
Wyman, W.C. – 1974
This paper is an extended series of appendices to the report "Exploring the T.R.Q.: An Assessment of the Effectiveness of the Teachers' Rating Questionnaire," Report Number 123. It should be most useful to those familiar with multiple regression analysis and factor analysis and wishing a more complex record of the statistical procedures…
Descriptors: Correlation, Elementary Education, Evaluation, Factor Analysis
Johnson, Helen Watt – 1978
The purpose of this study was to determine whether or not the elementary school principal has an impact on the outcomes of schooling manifested by students and, if so, to determine the nature of the role of the principal in influencing cognitive and affective outcomes manifested by students. The three sets of principal-related variables used were…
Descriptors: Academic Achievement, Administrator Role, Affective Behavior, Cognitive Development
