Three direct complexometric titration methods for bismuth subsalicylate determination in over-the-counter stomach relief caplets and liquids are presented, as well as a UV-vis assay, for use in student laboratories. The main difference between titration methods is the choice of indicator; either xylenol orange (XO), pyrocatechol violet (PV), or…

As the SARS-CoV-2 pandemic spread throughout the world, universities were faced with extraordinary challenges. Shelter-in-place orders were given, in-person classes were canceled, and at the University of California Irvine, instructors had less than 2 weeks to convert spring quarter classes from a face-to-face to an online format. A team-based…

Assessment and feedback (A&F) are two major components of any educational program and must be properly in place to ensure student learning and quality of experience. However, these important components come under severe challenges of meeting student expectations in the large class size context. When the program delivery relates to a…

Academics teaching large and highly diverse classes are familiar with the inevitable effect this has on promulgating teaching and assessment practices to "middle of the distribution", thus ignoring the distribution extremes. Although the literature documents a wide range of strategies for supporting poor-performing students in large…

It is not enough to be great at sharing information in a large classroom setting. To be an effective teacher you must be able to meaningfully engage your students with their peers and with the content. And you must do this regardless of class size or content. The issues of teaching effectively in large classroom settings have presented ongoing…

Being able to select, use, and interpret measures of center is expected of all secondary students. Discussing average class size can be a motivational vehicle for exploring this topic because students (and teachers) at all grade levels notice when they have significantly bigger classes and high school juniors and seniors see average class size…

This paper provides an example of how student-centered instruction can be used in a theoretical statistics class. The author taught a two-semester undergraduate probability and mathematical statistics sequence using primarily teacher-centered instruction in the first semester and primarily student-centered instruction in the second semester. A…

Larger class sizes are often the solution to the greater enrollments and fewer resources that many colleges and universities face today. These large classes present special challenges to courses that were typically and most effectively taught in small, interactive and open settings. A "Classroom Response System" (CRS), an instructional tool that…

Recent research offers strong evidence that reduced class size has positive effects on improved student achievement, teachers' work conditions, and the quality of the classroom environment. This report presents a brief historical perspective on the research into the effects of class size; summarizes studies that discuss the relationship between…

Provides seven answers to the question: "What is the most persistent and troublesome problem you deal with in your English classroom?" Discusses student motivation, class size, critical thinking, self-esteem, and student interests. (PRA)

Presents the results of a study where researchers noted the correct answers on quizzes, returned the quizzes and allowed students to grade them, and noted discrepancies in the scores. Reveals that cheating is unrelated to gender, religion, or overall grade point average, but positively associated with poor performance in class. (MJP)

Frustrations common among students at large institutions include unavailability of faculty, crowding, inadequate advising, and problems getting into required courses. Students are often too intimidated to ask for help, but at some institutions they are pressing for changes. (MSE)

Discusses the possibility that class size might affect student evaluations of teachers. Reviews existing studies of the relationship between class size and student evaluations. Concludes that student ratings are reasonably valid and that class size does not bias student evaluations. (CFR)

High quality instruction can be achieved in a foreign language classroom even though the class may be large by traditional standards, with as many as 60 students. Attitudes, class structure, classroom activities, and the teacher's role all play a part in this process in such classes. A positive attitude and enthusiasm on the teacher's part are…

For high achieving college students, public college honors programs offer smaller classes and more faculty contact and attention than many regular academic programs. Some honors programs are more intensive than others, but most offer special benefits through non-academic opportunities. The programs bring talented students to the institutions and…