Clickers versus hand-raising in the physics college classroom : do clickers make a difference?

Abstract: Students who are actively involved in the learning process tend to develop deeper knowledge than those in traditional lecture classrooms (Beatty, 2007; Crouch & Mazur, 2001; Hake, 1998; Richardson, 2003). An instructional strategy that promotes active involvement is Peer Instruction. This strategy encourages student engagement by asking them to respond to conceptual multiple-choice questions intermittently throughout the lecture. These questions can be responded to by using an electronic hand-held device commonly known as a clicker that enables students’ responses to be displayed on a screen. When clickers are not available, a show of hands or other means can be used. The literature suggests that the impact on student learning is the same, whether the teacher uses clickers or simply asks students to raise their hand or use flashcards when responding to the questions (Lasry, 2007). This critical analysis argues that using clickers to respond to these in-class conceptual multiple-choice questions as opposed to using a show of hands leads to deeper conceptual understanding, better performance on tests, and greater overall enjoyment during class.||Résumé: Les étudiants qui sont activement impliqués dans le processus d'apprentissage ont tendance à développer des connaissances plus approfondies que lors de cours traditionnels (Beatty, 2007; Crouch & Mazur, 2001; Hake, 1998; Richardson, 2003). Une stratégie d'enseignement qui favorise la participation active est l’apprentissage par les pairs. Cette stratégie d’enseignement encourage l'engagement des élèves en leur demandant de répondre à des questions à choix multiples conceptuelles à plusieurs reprises durant le déroulement du cours. Ces questions peuvent être répondues à l'aide d'un appareil portatif électronique (un « clicker ») qui permet d’afficher de façon anonyme les réponses des élèves sur un écran. Si les clickers ne sont pas disponibles, les étudiants peuvent aussi répondre aux questions en levant la main. La littérature suggère que la méthode utilisée n’a pas d’impact sur l'apprentissage des élèves, que l'enseignant utilise des clickers, des flashcards ou qu’il demande simplement aux élèves de lever la main pour répondre aux questions (Lasry, 2007). Cette analyse critique fait valoir que l'utilisation de clickers pour répondre à ces questions à choix multiples conceptuelles en classe, plutôt que de faire lever la main aux étudiants, résulte en une compréhension conceptuelle plus approfondie, une meilleure performance aux examens et plus de plaisir pendant les cours.

The impact of ethics education in medical laboratory science.

Teachers and students were asked what ethics education is offered in their program. The survey of the teachers regarding ethics education revealed some differences between english and french schools. It was found that franch schools favoured ethics courses taught by philosophers while english schools favoured ethics courses taught by health care providers. Furthermore, case studies were reported to be used more often in english schools and more often in assignments. However, regarless of the differences, 87 % of teachers agreed that ethics training is a high priority and most teachers thought that ethics training in their programs was adequate. At same time, students were asked to answer some questions that involved ethical dilemmas wherein some moral decisions would have to be made. Their responses revealed their level of moral development, based on Kohlberg's theory of moral development. The impact of ethics courses in the curriculum on moral development was correlated taking into account what ethics education students actually received with what year-of-study they were in (1st year, end of program or two years post graduation). Students were presented scenarios about falsifying records, communication, student dishonesty and preanalytical impact on patient care. These are authentic issues that technologists face on a daily basis. In reply to multiple-choice questions, respondents chose, in order of personal preference, the three best answers out of six offered to complete a statement regarding ethics. Statistical analysis was performed using SPSS (Statistical Package for Social Studies), employing crosstabulations and Oneway Anova. Factors including respondents age range, mother tongue, gendre, and years of schooling were considered.