Psychologists are emphasizing the importance of predictive conclusions. Machine learning methods, such as supervised neural networks, have been used in psychological studies as they naturally fit prediction tasks. However, we are concerned about whether neural networks fitted with random datasets (i.e., datasets where there is no relationship…

The intricate relationship between representational competence and content knowledge in organic chemistry has been widely debated, and the ways in which representations contribute to task difficulty, particularly in assessment, remain unclear. This paper presents a multiple-choice test instrument for assessing individuals' knowledge of fundamental…

Background/purpose: Language is essential for communication and thought, enabling learners to convey ideas and emotions through structured speech supported by gestures, expressions, and intonation. Oral expression, a key educational skill, involves intellectual, linguistic, and physiological processes shaped by cultural and linguistic factors.…