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Writing/Using Multiple-Choice Questions to Assess Higher-Order Thinking
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Most graduate entrance exams (including the GRE, MCAT, and DAT) are based on multiple-choice questions. Many later exams, such as the medical board exams, are also multiple choice. Therefore, it is important to make…
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Tips on Classroom Assessment: How to Teach Our Students to Take Multiple-Choice Exams
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Multiple-choice exams are one of the few assessment strategies available for large-lecture sections of students. The author teaches students who are recently out of high school and realizes that they need to be "taught…
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Better Multiple-Choice Assessments
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Multiple-choice questions have an important place in the assessment of student learning and constructed correctly, can provide instructors and students alike with valuable insight to student learning. This chapter is…
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Assessment of Students' Learning Through the Creation of Scientific Posters
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Assessment of student knowledge takes many forms. This chapter features the presentation of scientific posters—one assessment used successfully in upper-division biology courses. The posters, on topics chosen by the…
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Ethology—the study of animal behavior—combines the observational skills of a natural historian with modern insights from ecologists, geneticists, and especially evolutionary biologists. In this unit, students discover…
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Book Chapter |
The ultimate function of most physiological processes is to help organisms maintain overall homeostasis, while letting them adapt to changes in internal and external environments. In this unit, heart rate is the model…
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Students will use weight potometry to estimate the basal rate of transpiration for bean plants. For the exercise, they will estimate the soil salinity necessary to stop transpiration by mung bean seedlings. Subsequently…
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Metabolism and Oxygen Consumption
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In this unit, students first conduct an experiment to determine if there is a relationship between environmental temperature and rate of metabolism in crayfish (Orconectes). Students also look at whether there is any…
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In this unit, students compare allocation strategies among plant species and within a species under different abiotic conditions. Students will quantify how seedlings of several common crop plants allocate their carbon…
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In this unit, students explore how biotic and abiotic factors affect population growth. They explore the effects of competition on growth of different species of molds. Students have actively growing cultures with which…
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Measuring Biological Diversity
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Biological diversity is a hallmark of life on Earth. In this unit, students estimate biological diversity in two different aquatic ecosystems. They collect water and bottom detritus from two locations and make field…
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Designing Scientific Experiments
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In this unit, students learn about designing sound, testable hypotheses and experiments. A testable hypotheses is one that is stated in a way that makes predictions that can be tested. The goal of the unit is for…
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In a typical Mendelian genetics lab, students cross flies or other organisms of known genotypes, score phenotypes of the offspring, and determine if their results are significantly different from expected phenotype…
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In this unit, students will isolate DNA suitable for sequencing and other analyses. Students use bioinformatics software to find differences between normal and mutant DNA sequences, then use DNA restriction mapping to…
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Book Chapter |
Enzymes are specified proteins that catalyze chemical reactions in biological systems without being permanently changed or used up. This unit was developed to help students gain a more functional, intuitive…
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