This paper introduces a dataset and associated analysis of the scores of National Football League (NFL) games over the 2012, 2013, and first five weeks of the 2014 season. In the face of current media attention to "lopsided" scores in Thursday night games in the early part of the 2014 season, t-test results indicate no statistically…

In this postscript the authors summarize where Sun, Tweney, and Wang (see record 2010-06891-015) now agree with their original analysis and where differences of opinion remain. Sun et al.'s (see record 2010-06891-018) postscript contrasted two positions, one emphasizing the "limited and finite nature of people's experience" and one emphasizing the…

In this postscript the authors applaud Hahn and Warren's effort in their reply to remove the ambiguity in distinguishing events such as occurrence, occurrence at least once, and nonoccurrence in Hahn and Warren (2009). Still, it appears that differences between us exist regarding the nature of waiting time and its connections to the probability of…

This manual designed for grade 3 is part of a series for a program to integrate the teaching and learning of mathematical and computer concepts and skills in the elementary school. The manual contains 20 lessons. Each lesson includes information on the topic, suggested grade level, mathematics concepts and skills, objective, prerequisite skills…

This volume of the 30th annual proceedings of the International Group for the Psychology of Mathematics Education conference presents: plenary panel papers; research forum papers; short oral communication papers; and poster presentation papers from the meeting. Information relating to discussion groups and working sessions is also provided.…