Arguing from evidence is one of eight key science practices in which students should engage. It is an essential component of science, yet students have difficulties with this practice. We describe a scaffolded claims-evidence-reasoning (CER) argumentation framework that is embedded within a new eight-week, freely available curriculum unit…

Presented is a Learning Activity Package (LAP) study concerned with the concept of organic evolution. Contained in this LAP are the rationale for studying the concept, a list of objectives (stated in behavioral terms) for the student to accomplish, a list of reading references and audiovisual aids (filmstrips with cassette tapes, teaching tapes),…

Designed to address the major conceptual problems associated with evolution and variation and survival in populations, this module can be used with high school students or college nonscience majors including those in elementary education. It is one in a series developed by the project "Overcoming Critical Barriers to Learning in Nonmajors'…