Browse Items (3075 total)

The issue of sex determination (before conception) is beyond the study of Science. Though current studies have developed means to determine gender, it is not until the baby has been conceived. After conception, scientific methods can be used to…

Negative stereotypes about physically challenged people result in discriminatory social policies which in turn reinforce or confirm negative attitudes that greatly affects them as they strive to function in the society, these problems create some…

Changes in biochemical quality and cyanogenic safety in flours from different cassava varieties grown within the South-eastern African region as influenced by processing technique were investigated. Two local (Mweulu and Tanganyika) and four improved…

This paper explores four Item Response Theory (IRT) models to determine the most appropriate for understanding item non-response. The selected IRT model was used to identify among five categories of survey questions, the most difficult to answer by…

After reviewing the theoretical and empirical literature on Item Response Theory (IRT) and Item-non response, this study investigates three issues: Firstly, to identify the most appropriate IRT model for understanding item-non response...

Survey research has been widely used in public opinion research in Ghana. Ghanaian researchers are happy about data richness and they are also concerned about data quality. In this paper Item Response Theory (IRT) has been used to identify the most…

Studies were conducted to evaluate the combined effects of spontaneous fermentation and amylase-rich flours (ARF) on some nutritive value, functional and viscoelastic properties of cowpea-fortified nixtamalized maize. A 2 × 3 × 3 factorial design,…