A simple analysis of the learners' academic status at different levels of education shows that these learners have poor performance in probability and statistics subject and they have negative attitude to this subject. Therefore, the aim of this study is to investigate the relationship between the attitude and academic achievement of 134 students…

This study aims to investigate about the existence of a graphical facilitation effect on probabilistic reasoning. Measures of undergraduates' performances on problems presented in both verbal-numerical and graphical-pictorial formats have been related to visuo-spatial and numerical prerequisites, to statistical anxiety, to attitudes towards…

The logistic person response function (PRF) models the probability of a correct response as a function of the item locations. Reise (2000) proposed to use the slope parameter of the logistic PRF as a person-fit measure. He reformulated the logistic PRF model as a multilevel logistic regression model and estimated the PRF parameters from this…

TWO BASIC NEEDS OF THE DECISIONMAKER ARE IDENTIFIED--THE NEED TO FUNCTION UNDER CONDITIONS OF PSYCHOLOGICAL CERTAINTY AND THE NEED TO BE VIGILANT AFTER THE INITIAL DECISION HAS BEEN MADE. PSYCHOLOGICAL CERTAINTY IS DETERMINED BY THE PERSON'S ASSESSMENT OF HIS ENVIRONMENT OR LIFE SPACE AND THE RESOURCES HE HAS AT HIS COMMAND, BOTH OF WHICH ARE…

This is a record of the proceedings of the 30th annual conference of the Mathematics Education Research Group of Australasia (MERGA). The theme of the conference is "Mathematics: Essential research, essential practice." The theme draws attention to the importance of developing and maintaining links between research and practice and…