Rapid and increasing developments in today's world, along with all the various social, cultural, and economic benefits, have also put new challenges in front of societies (1, 2). One of these challenges is the need for a fundamental change in training efficient human resources based on the developments resulting from emerging new technologies (3, 4). Education, as one of the main pillars of the growth and development of societies, has no choice but to change the educational process, as its central mission is to meet the needs of the developing society (5–7). In the meantime, the procedure change from traditional to modern education in the higher education system is more complicated than primary education (8, 9). Higher education is pivotal in advancing and improving a progressive society (10, 11). As the principal executive arm of higher education, universities serve as the bedrock of knowledge dissemination, innovation, and the development of skilled professionals who contribute significantly to various sectors (12, 13). The quality of education in higher education institutions directly and indirectly affects the process of social progress, social, cultural, and economic growth, social cohesion, and overall quality of life. Therefore, it is essential to continually evaluate and enhance education and teaching methodologies to meet the evolving needs of students and society at large (14–16).
One such innovative approach, which holds immense potential, is spaced learning. It was first introduced in 2005 by Douglas Field and has since garnered attention for its potential to enhance learning outcomes remarkably (17). Spaced learning is an innovative teaching method designed to embed information in memory through spaced repetition (18, 19). A vital feature of this approach is the rapid and comprehensive content coverage within a minimal amount of time (20). Each learning session includes three instructional phases interspersed with two breaks of at least ten minutes each. During these breaks, learners are encouraged to engage in simple activities such as physical exercise or skill-based computer games but no other significant mental activities (21, 22). The first phase consists of a lecture where the teacher presents fundamental and essential information, often utilizing educational aids. The second phase emphasizes recall, where learners use the same or complementary educational aids to reinforce the information presented in the first phase. The final phase focuses on understanding and application, requiring learners to practically apply the newly acquired knowledge or skills (23). This structured repetition, combined with short breaks, effectively embeds information in long-term memory (19). This method contrasts with traditional cramming or massed learning, where students are exposed to large amounts of information in a single, prolonged session (18).
Anxiety is a feeling of fear, excessive worry, and unpleasant feelings that assume that something terrible will happen (24). Learning anxiety is a form of anxiety and a common problem among students that impacts their academic performance (25). Learning anxiety can also be interpreted as worry when an individual experiences an under-pressure situation and an inability to complete something (26). This form of anxiety can manifest as fear of failure, overwhelming stress, self-doubt, and inability to properly concentrate and absorb information effectively. Consequently, students may experience decreased motivation, avoidance behaviors, and lower academic achievement (27, 28). Controlling learning anxiety through supportive strategies and interventions is crucial for fostering a positive learning environment and enhancing students' confidence and success (29).
Moreover, student engagement is an influential determinant of academic success (30, 31). Engagement encompasses three primary dimensions: emotional (affective), cognitive, and behavioral. Affective engagement refers to students' feelings about their learning experiences, including interest, boredom, or anxiety. Cognitive engagement involves the investment in learning and the willingness to exert the effort to understand complex concepts and solve problems. Behavioral engagement is demonstrated through academic activities, such as attending classes, completing assignments, and contributing to discussions (32–34). Educational methods that foster high levels of engagement are essential for promoting positive academic outcomes. Engaged students are likelier to exhibit persistence, enthusiasm, and a deep understanding of the subject. (35). Given the critical nature of nursing education, exploring teaching methods that can alleviate anxiety, especially learning anxiety, and promote active learning is crucial. Therefore, the present research aims to examine the effectiveness of the spaced learning method in learning anxiety and engagement among nursing students in a practical course on principles and techniques of nursing.