Studies have highlighted the benefits of frequent quizzing in class. Frequent quizzing can promote more student attendance, engagement, practice and review, and achievement. Conversely, the opponents of frequent quizzing suggest that too frequent testing might hinder learning by frustrating anxious students and inhibiting larger units of instructional material. Notably, most studies have used degree examinations to evaluate the impact of quizzes on student learning and performance, yet little is known about whether quizzes can reinforce student performance in the in-course assessments (ICAs) despite ICA importance in student learning. The present study aimed to test the hypothesis that administration of weekly MCQ quizzes can enhance the leaning outcomes and performance of biomedical science students in assessment methods such as essay and oral presentation that can directly measure and provide information about student learning. It was therefore limited to in-course assessments. We found that the performance of the weekly quiz student group is remarkably better than that of the control student group in both the essay and oral presentation ICAs, which are two measures and indicators of student learning, suggesting improved student learning outcomes and performance after administrating weekly MCQ quizzes that also promoted student attendance in classrooms. The findings of this research study have implications for students, teachers, and curriculum designers in higher education.
Weekly Quizzes Reinforce Student Learning Outcomes and Performance in Biomedical Sciences in-course Assessments
April 16, 2022
June 20, 2022
June 28, 2022
June 30, 2022
This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium or format, provided the original work is properly cited.
Abstract
1. Introduction
There are different approaches and techniques to enhance student learning, performance, and skills. These approaches include asking questions and applying active learning strategies, constructing mechanisms and concept maps, developing critical thinking skills, using self-reflection, and asking for feedback, and using a range of learning resources. They also involve practicing learning by using simulation, applying knowledge learnt to new problems and service learning, using summative and formative assessment, applying differentiated instruction, applying the reversed learning model, and restructuring teaching methods (Azer et al., 2013; Philips, 2017; Kampen, 2021)[1, 2, 3]. Quizzes have been assumed to be enhancing tools of student learning. They were considered by (Brown, 2004)[4] as “the information that washes back to students in the form of useful diagnoses of strengths and weaknesses‖ (p. 29)”.
Studies have highlighted the benefits of frequent quizzing in class. A study among dental science students showed that frequent quizzes are important tools that can significantly influence students’ learning performance (Geist and Soehren, 1997)[5]. Indeed, student learning and performance can be further enhanced with increasing the number of quizzes they receive, suggesting an influential autonomous effect of quizzing on student learning (Geist and Soehren, 1997)[5]. In addition, online quizzing is a powerful and preferrable tool for both teaching and student learning of biological courses (Culbert, 2020)[6].
Frequent quizzing and testing can enhance students’ class attendance in classroom (Jones, 1984; Wilder et al., 2001; Clump et al., 2003)[7, 8, 9]. Quizzes can motivate students to attend classes (Zarei, 2008)[10]. Interestingly, frequent quizzing can also enhance student retention of the material presented during lecture or prepare them for high- stakes examinations (Johnson and Kiviniemi, 2009)[11], and students taking weekly quizzes can perform better in the final achievement tests (Gholami and Moghaddam, 2013)[12]. Indeed, a recent study has demonstrated that the use of weekly quizzes can promote students’ attendance, engagement, and achievement (AlBahadli, 2020)[13]. Furthermore, weekly quizzes are assessment tool that can help students to retrieve their knowledge and receive feedback on their performance immediately (Heise et al., 2020)[14]. This assessment tool can be further used as a prediction method of student outcomes and an important opportunity for early interventions to support at-risk students since there is a potential correlation between the performance of students on weekly quizzes and on unit examinations (Heise et al., 2020)[14].
Similarly, online quizzing can help in maintaining both regular reading and study schedule for students (, 2008)[15], while the use of random quizzes led to 10% increase of student attendance of psychology course (Wilder, 2001)[8]. Online quizzes can also improve students’ preparation outside of class and reinforce their learning and enhance class preparation and participation (, 2008; et al., 2021)[15, 16].
More recent research on student perceptions of online quizzes and interview pretest implementations in pre-practicum activities has shown that online quizzes pretests were preferred by students as a pre-practicum activity since they are not time consuming and help students to prepare well before conducting a practicum (Atmajati et al., 2020)[17].
Another study has developed evidence-based recommendations that facilitate the programing and implementation of quizzes by lecturers and instructors to promote students’ success in higher education and improve their behavior within their courses et al., 2020)[18].
Other benefits of quizzes have been also highlighted in some other research studies. Quizzes such as pup quizzing have a positive effect not only on student learning, but also on prospective teachers when used as integrating activities in teacher training programs (Gull et al., 2015)[19]. In addition, adaptive quizzes may enhance student engagement, motivation, and learning outcomes in a first-year accounting unit (Ross et al., 2018)[20]. Moreover, an evaluation study of the impact of “feedback quizzes” on the learning and performance of undergraduates has found them very useful (Hennig et al., 2019)[21]. Similarly, the multimodal quizzes are efficient teaching-learning tool in both assessing and teaching engineering courses (Gamage et al., 2019)[22]. Furthermore, administrations of summative or formative feedback quizzes (in class or outside class can increase students’ learning and performance as well as satisfaction with some clinical courses (Hennig et al., 2019)[21]. Recent studies have also uncovered the effects of quizzes on exam grades using a difference-in- difference approach (Latif and Miles, 2020)[23]. Similarly, the scheduling of student assessments and exams has been shown recently to have an impact on student learning and performance (Sofoklis and Megalokonomou, 2020)[24].
Measuring student learning can be achieved by effective and direct assessment methods such as examinations and/or in-course assessments (ICAs). Examinations such as degree examinations can be defined as a written demonstration form of a certain level(s) of theoretical knowledge that is gained by students based on achievements of the course learning objectives. Assessments (e.g., ICAs) are a practical form of measuring students’ competences by the evaluation of knowledge, skills, and attitude, which are three major factors that are associated to the course learning objectives (Stassen, 2001)[25].
Most studies have used degree examinations to evaluate the impact of quizzes on student learning and performance, yet little is known about whether quizzes can reinforce student performance in ICAs despite the importance of ICAs in students’ learning. Herein, we will test the hypothesis that administration of weekly MCQ quizzes can enhance the leaning outcomes and performance of biomedical science students in ICA methods such as essay and oral presentation that directly measure and provide information about student learning. We found that there is a remarkable improvement in student learning outcomes and performance as well as class attendance after the administration of weekly MCQ quizzes.
2. Materials and Methods
2.1. Overview of the Course & Assessment
Since 2018, I have designed Human Disease: From Research to Clinic 3A (HDRC3A) course to use the understanding of disease pathways to explore how biomedical research continues to give rise to knowledge and understanding of pathophysiology and the treatment of disease. In addition, I designed HDRC3A teaching and learning activities to use in-depth analysis of specific disease examples from a range of biomedical disciplines and using several major body systems. These examples will be chosen to introduce the most common current research techniques and approaches and will include teaching on the theoretical principles and practical applications and limitations of these techniques. These examples will be also used to explore hypothesis generation and experimental design. The learning outcomes of HDRC3A course are to make students able to describe and discuss a range of common human disease state and how human disease can be treated and prevented and apply understanding of current research techniques and approaches in biomedical sciences to problems in disease treatment or prevention.
The course covers 13 human diseases: one disease per week. Each disease/module is delivered through 3 lectures (each for one hour) and one 3-hour workshop every week. Both lectures and workshops are designed to be interactive and, therefore, all students are expected to contribute to an active discussion. The course is assessed by in-course assessment (ICA) that consists of a summative essay and a summative oral presentation, and a formative essay plan assessment.
In the academic year (AY) 2020-2021, I have incorporated frequent multiple-choice quizzes, an innovative teaching–learning tool, every week to motivate students to attend classes of HDRC3A course.
2.2. Participants and Study Design
Consistent with other studies, our initial plan was to split students into 2 groups: control group that will not receive any quizzes and experimental group that will receive quizzes every week. Consequently, we will have two module streams in HDRC3A course, one stream will be assigned as the “control student group” and the other as the quizzes or experimental group. The same lecturers will teach both streams, and both identical lecture contents and teaching materials will be used to ensure comparability. However, this splitting needs a strong justification to adversely affect a subset of students and typically we would be expected to allow students to choose which option to take. Therefore, we decided to carry out this research for all students in HDRC3A course in AY 2020-2021, then compare the results with the student performance in the same course from the previous year in which there was no quizzes (i.e., AY 2019-2020).
2.3. Participants
As shown in the flowchart, Participants of this study were 63 students and 54 students in the AY 2019-2020 and 2020- 2021, respectively. The researchers of this study were the course organizer (the article’s author) and the instructors of different classes. Participant students are two groups: AY 2020-2021 HDRC3A course students, who served as experimental group, and received weekly MCQ quizzes and AY 2019-2020 HDRC3A course students who served as control student group and did not receive weekly quizzes. Intact classes were used in this study.
2.4. Instruments & Procedures
The instruments used in this study involved the courses organizer- and instructor-made MCQ quizzes.
The experimental student group took weekly MCQ quizzes for the whole course duration and the control student group did not take any MCQ quizzes during the course duration. The study employed an experimental design, Experimental students received 2 questions per week delivered at the end of lectures. A total of 25-26 in-class MCQs were set across the course. Students were asked to answer these MCQ quizzes within the constraints of a 50 min lecture to encourage lecture attendance. The MCQ quizzes were not available to answer outside of class. For formative practice, we prepared several example questions and made them available on Blackboard Learn to students. Students were asked to sit all
MCQ quizzes. We performed t-test to investigate the effect of quizzes on the leaning outcomes and performance of students in ICA methods such as essay and oral presentation that can directly measure and provide information about student learning.
2.5. Statistical analyses
We compared the data of experimental and control student groups using unpaired t test. Differences between groups were significant at a P value of <0.05. Statistical analyses were performed with both Excel and GraphPad Prism (GraphPad Software, Inc., San Diego, CA).
3. Results
3.1. Effect of weekly quizzes on student learning outcomes and performance in ICA methods
To investigate the effect of weekly quizzes on student learning outcomes and performance in ICA methods, we used a clustered bar chart to compare the relative frequency of student scores in each ICA. As shown in Figure 1, the percentage of essay ICA scores clearly increased in the 90-100 interval but was apparently unchanged in the 80-90 interval in the experimental (quizzes) group compared to the control student group (no quizzes). Conversely, the percentage of essay ICA scores clearly decreased in the 70-80 interval in the experimental (quizzes) group compared to the control student group (no quizzes) (Figure 1). Hence, there was almost a 50% decrease in the percentage of students who scored 70-80% in the essay ICA in the experimental group, while a 17% increase in the percentage of students who scored 90- 100% was found in the experimental group compared to the control student group (Figure 1).
Similarly, the percentage of oral presentation ICA scores markedly increased in the 90-100 interval but was apparently decreased in the 80-90 interval in the experimental (quizzes) group compared to the control student group (no quizzes; Figure 2). Hence, there was almost a 51% increase in the percentage of students who scored 90-100% in the presentation ICA in the experimental group, while a 19% decrease in the percentage of students who scored 80- 90% was found in the experimental group compared to the control student group (Figure 2).
Notably, a decrease of almost 25% was also noted in the percentage of students who scored 70-80% in the presentation ICA in the experimental group, compared to the control student group. Three percentage of control students scored in the 60-70 interval, while none of the experimental students scored in this interval (Figure 2).
Furthermore, we conducted unpaired-samples t-test to determine whether the two sets of essay ICA data are significantly different. As shown in Table 1, there was not a significant difference in the essay ICA results/scores between the experimental student group who received the weekly MCQ quizzes (M=87.611; SD=3.790) and the control student group with no quizzes (M= 86.698; SD=4.361); t (degree of freedom value) = 1.1981, p value= 0.2334). Similarly, there was not a significant difference in the presentation ICA scores/results between the experimental student group (M= 87.692; SD=5.691) and the control student group (M=86.421; SD=6.812); t (degree of freedom value)=1.0722, p value=0.2859." Descriptive and test statistics for the oral presentation ICA are summarized in Table 2.
3.2. Impact of MCQ quizzes on student attendance
In AY 2019-2020, we noted that the number of students who attended HDRC3A course in classroom dramatically decreased, particularly in the last several weeks of the course. Therefore, one major goal of administrating weekly MCQ quizzes was to enhance student attendance and alleviate the ‘selective negligence’, where students determine what needs to be done to pass the assessments and do this, but only this, resulting in poor engagement. Indeed, we observed a remarkable increase of student attendance of HDRC3A in classroom after using weekly MCQ quizzes in AY 2020-2021.
Taken together, there is a shift of student scores in both ICAs, with increasing the number of experimental students who have high scores in the 90-100 interval and decreasing the number of low-achieving score students (i.e., in the 70-80 and 60-70 intervals), compared to control students. This suggests that the administration of weekly MCQ quizzes can improve the leaning outcomes and performance of students in ICA methods such as essay and oral presentation that directly measure and provide information about student learning. However, there is no evidence exists that using MCQ quizzes in class has a significant effect on the average of student scores in both ICAs. Furthermore, weekly MCQ quizzes may motivate students to attend classes.
4. Discussion
Most published studies have used degree examinations, rather than ICAs, to evaluate the impact of quizzes on student learning and performance, despite the importance of ICAs in student learning (Latif and Miles, 2020)[23]. Therefore, in this study, we tested the hypothesis that administration of weekly MCQ quizzes can enhance the leaning outcomes and performance of biomedical science students in ICA methods such as essay and oral presentation that directly measure and provide information about student learning.
We found that the performance of the weekly quiz (experimental) student group was remarkably better than that of the control student group in both the essay and oral presentation ICAs, which are two measures and indicators of student learning, suggesting improved student learning outcomes and performance. This conclusion was supported by increased number of high score-achieving students (with a score between 90% and 100%), and reduced number of low score-achieving students with a score between 70% and 80% (or 60%-70%), after administration of weekly MCQ quizzes.
The findings of the current research are consistent with previous studies showing that weekly and online quizzes can enhance student performance (Geist and Soehren, 1997; Ballard and Johnson, 2004; Gholami and Moghaddam, 2013; Culbert, 2020)[5, 6, 12, 26]. Quizzing was found as both powerful and preferrable tool for both teaching and student learning of biological courses (Culbert, 2020)[6]. Similarly, weakly quizzes-received students achieved higher scores than students who did not receive weekly quizzes during the course, suggesting improves student performance (Martin and Srikameswaran, 1974; Kamuche, 2005)[27, 28]. However, a study by Haberyan (2003)[29], demonstrated that the difference in the performance in class between the weekly quiz student group and no-quiz control students is not significant. Conversely, a recent meta-analysis research study showed that students who are quizzed over class materials (at least once a week) had a better performance on both midterm and final examinations when compared to control students who did not take quizzes (Lukas et al., 2020)[30]. Interestingly, the quiz format probably influences both student performance and student answer-changing behavior on common formative assessments (Sherman et al., 2021)[31].
The impact of frequent testing such as weekly quizzes on improving student learning outcome and performance, compared to infrequent testing, could be due promoting student attendance that is critical for improving institutional outcomes (Bergin and Ferrara, 2019)[32]. One of the major goals of the current research was to incorporate frequent MCQ quizzes, an innovative teaching–learning tool, to motivate students to attend classes and enhance class attendance that notably reduced in the last several weeks of HDRC3A course in AY 2019-2020 (where no quizzes were used), and alleviate the ‘selective negligence’ and attendance problem, where students determine what needs to be done to pass the assessments and do this, but only this, resulting in poor engagement.
Indeed, we found that student attendance of HDRC3A in classroom remarkably increased after using weekly MCQ quizzes in AY 2020-2021. Our findings are consistent with previous studies showing that weekly quizzes can encourage students to consistently come to class since there is a positive relationship between frequent testing of students and their classroom attendance (Wilder et al., 2001; Zarei, 2008)[8, 10]. This can provide more opportunities for students to learn in the classroom, leading to improving their overall course grades (Wilder et al., 2001; Clump et al., 2003)[8, 9]. Other studies on college students supported this conclusion and showed that frequent quizzing can encourage students to attend classes at a higher rate (Gokcora and DePaulo, 2018)[33]. Indeed, recent study has further supported the positive effect of using weekly quizzes on student attendance, engagement and achievement (AlBahadli, 2020)[13].
Another effect of frequent testing on student learning outcomes and performance is improving student retention of information and lecture materials. This retention improvement could be due to frequent testing-based motivations of students to do both pre- class readings and preparations (Standlee and Popham, 1960; Dustin, 1971)[33, 34] and extra work in the class (Martin and Srikameswaran, 1974)[27]. Indeed, online quizzes can also improve students’ preparation outside of class and reinforce their learning and enhance class preparation and participation (, 2008; et al., 2021)[15, 16].
The timing of quizzes given to students during learning can impact their retention of teaching material (Healy et al., 2017)[36]. Interrupting students learning with quiz questions may have several benefits because of enhancing student engagement (Healy et al., 2017)[36]. In addition, a remarkable study by (Case and Kennedy, 2020)[37] investigated the impact of frequent in-class quizzing sequence, both post-lecture and pre-lecture quizzes, on student lessons’ preparation, in-class participation, and knowledge retention. They reported that quiz sequence (pre-lecture versus post-lecture quizzes) has a significant impact on student in-class engagement, and knowledge retention (Case and Kennedy, 2020)[37].
Recent studies showed that weekly quizzes are also benefited assessment tool that can help students to retrieve their knowledge and receive feedback on their performance immediately (Heise et al., 2020)[14]. (Lukas et al., 2020)[30] reported that immediate feedback from instructors that are associated with quizzing can have a positive impact on student performance. Weekly quizzes can, therefore, be further used as a prediction method of student outcomes and an important opportunity for early interventions to support at-risk students since there is a potential correlation between the performance of students on weekly quizzes and on unit examinations (Heise et al., 2020)[14].
Other reasons for the positive effect of frequent testing on information retention are promoting more student-teacher interactions, discussion, and engagement (Fitch et al., 1951; Selakovich, 1962; Farhady et al., 1994)[38, 39, 40], and both facilitating and supporting the learning of lecture materials systematically (Fulkerson and Martin, 1981)[41]. Since small amounts of lecture materials are tested through frequent testing, students can process these materials more meticulously and deeply, leading to more efficient learning (Standlee and Popham, 1960)[34]. Similarly, online quizzes pretests were preferred by students as a pre-practicum activity since they are not time consuming and help students to prepare well before conducting a practicum (Atmajati et al., 2020)[17].
Furthermore, frequent quizzing can create more extrinsic motivations for the students to score a high grade in their assessments and exams, leading to spending more time and efforts in both their study and preparation for the quizzes and assessments (Standlee and Popham, 1960; Dustin, 1971)[34, 35]. However, in his study on learning ability, (Zarei, 2008)[10] argued that “motivation is not always the cause of good grades; it may well be the result of them”. Frequent quizzing can also regularly expose students to teaching materials, making them more familiar with teachers’ instructional expectations, question types, and methodology of both assessments and exams (Farhady et al., 1994)[40]. Other types of quizzes such as pup quizzing (Gull et al., 2015)[19], Adaptive quizzes (Ross et al., 2018)[20], feedback quizzes (Hennig et al., 2019)[21], multimodal quizzes (Gamage et al., 2019)[22] have also a positive effect on student learning and performance and/or prospective teachers. Notably, quiz sequence (pre-lecture versus post-lecture quizzes) has a significant impact on student motivation (Case and Kennedy, 2020)[37].
The findings of this research study have implications for students, teachers, and curriculum designers since they suggest that the administration of weekly MCQ quizzes can improve the leaning outcomes and performance of students in ICA methods such as essay and oral presentation that directly measure and provide information about student learning.
Acknowledgments
The author gratefully acknowledges the support of colleagues and collaborators at the institute.
Declaration of interest statement
No potential conflict of interest was reported by the authors.
Funding (Not applicable)
Availability of data and material (Not applicable)
Code availability (Not applicable)
Authors' contributions (Not applicable)
Ethical Approval: described
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