Learners underperform in stoichiometry as they lack conceptual reasoning of the underlying concepts and the ability to solve stoichiometric problems. Therefore, it was necessary to determine if there is a statistical correlation between problem-solving skills and conceptual reasoning in stoichiometry and if so, whether one can significantly…

The theory of triarchic intelligence posits that, in addition to the widely acknowledged analytical reasoning abilities, creative and practical abilities should be included in the assessments of intellectual capacities and identification of gifted students. To find support for such an approach, the present study examined the psychometric…

The Test of Enquiry Skills (TOES) is a group test designed to measure inquiry skills of junior high school students studying science, social sciences, or general studies. TOES is comprised of nine separate scales, each consisting of multiple-choice items. The following skills are measured: reference skills, including library usage, indexes and…

Scholastic achievement tests and mental ability tests normally consist of a set of multiple choice items, all of which are assumed to measure school-relevant cognitive abilities. The presumption, in a given test situation, is that the answers/solutions to the given tasks represent cognitive capabilities on the part of the examinees. The purpose of…

This study aimed at establishing if the level of performance of 500 Jamaican Grade 11 students on an achievement test on the concept of respiration was satisfactory (mean = 28 or 70% and above) or not (less than 70%); if there were statistically significant differences in their performance on the concept linked to their gender, cognitive abilities…