In this paper we describe a computer intensive method to find the ridge parameter in a prediction oriented linear model. With the help of a factorial experimental design the method is tested and compared to a classical one.

This is the second of a two-part tutorial, the first part of which is in Curtis (2004). Between Parts A and B this tutorial provides a theoretical framework from the field of Statistical Experimental Design (SED – a field of statistics) within which modelbased survey and experimental design problems and methods can be understood. Specifically, these tutorials describe methods that are pertinent...

A quasi-experimental design was adopted to investigate the effect of integrating technology into mathematics teaching on students’ number sense and their learning attitudes. Two sixth-grade classes were selected from an elementary school in Taiwan for participation in this study. The control group with 32 students followed their usual mathematics instruction on number sense without using techno...

We present a pilot experiment to measure the effects of redundancy in the resolution of definite descriptions as performed by a small number of human readers. Although originally intended to provide evidence of how much redundancy should ideally be included in generated anaphoric descriptions, preliminary findings reveal a number of little explored issues that are relevant to both referring exp...

Although self-focused appeal has become popular for online advertising in China and most of such advertisements focus on Gen Y, researches on the effect and mechanism of such advertisements are spares. To fill the gap, the presented study focuses on one typical individual psychological trait of Gen Y, i.e., narcissism, and aims to provide a conceptual framework which captures the moderating inf...

Abstract. Prior research concluded that collaborative learning reduces test anxiety. Examination of the evidence used in that research, however, calls into question those conclusions. The present study used an empirical measure of test anxiety and an experimental design to provide an improved estimate of the effect of collaboration in an evaluative context on test anxiety. The findings show no ...

This paper describes the experience of synthesis of concepts learnt in a semester-long statistical concepts course into a major piece of work. In the University of Canberra course entitled “The World of Chance”, the major assessment item is a group project. Groups of two or three students identify a research question to study via a small experiment or observational study, carry out the data col...

Wheat, pretreated by 60Co gamma irradiation, was dried by hot-air with irradiation dosage 0-3 kGy, drying temperature 40-60 °C, and initial moisture contents 19-25% (drying basis). The drying characteristics and dried qualities of wheat were evaluated based on drying time, average dehydration rate, wet gluten content (WGC), moisture content of wet gluten (MCWG)and titratable acidity (TA). A qua...

Vinod Goel [1] proposes a theory of notationality, derived from observations of interior designers, that distinguishes three classes of symbol systems: notational, non-notational, and discursive. He theorizes that design processes can be improved through the use of non-notational symbols. This paper presents the 2 factorial designed experiment used to test the applicability of this theory to el...

Abstract. This paper provides an interpretation of interaction design patterns from the perspective of design-oriented research in information systems. It is concluded that interaction design patterns do not meet certain ideals for contemporary information systems design theory: Rigor, practical utility, novelty/innovation, acknowledgement of the social setting, and cumulative research. The lac...