High school biology instruction: Targeting deeper understanding for biological literacy

Author(s):  
James H. Wandersee
1994 ◽  
Vol 78 (1) ◽  
pp. 285-286
Author(s):  
Douglas R Matthews ◽  
T. F. McLaughlin

The effects of two types of teaching procedures in two sections of high school biology on 46 students' achievement and preferences were examined using a pre-posttest comparison-group design. The 19 students in the lab group were taught a unit in cell biology through lecture and a guided laboratory approach. The comparison group of 27 were students in 12th grade biology who were taught the same material by lecture and nonexperimental learner-centered activities. Pre- and posttest scores on an examination requiring formal operational reasoning and a teacher-designed questionnaire were analyzed. Students in the laboratory group scored significantly higher at posttest, but no significant differences in students' preferences were found. In high school biology instruction, use of guided laboratory activities may be advantageous.


HortScience ◽  
1998 ◽  
Vol 33 (3) ◽  
pp. 504e-504
Author(s):  
Erika Szendrak ◽  
Paul E. Read ◽  
Jon S. Miller

Modern aspects of many subjects (e.g., computer science and some aspects of medical science) are now taught in many high schools, but the plant sciences are often given short shrift. A collaboration was therefore established with a high school biology program in which pilot workshops could be developed to enable advanced students to gain insights into modern plant science techniques. A successful example is the workshop on plant biotechnology presented in this report. This workshop is simple and flexible, taking into account that most high school biology laboratories and classrooms are not set up for sophisticated plant science/biotechnology projects. It is suitable for from 10 to 30 students, depending upon space and facilities available. Students work in pairs or trios, and learn simple disinfestation and transfer techniques for micropropagation and potential subsequent transformation treatments. Students gain insights into: sterile technique and hygiene; plant hormones and their physiological effects; plant cell, tissue and organ culture; the influence of environmental factors on response of cells and tissues cultured in vitro; and an understanding of the phenomenon of organogenesis and resulting plant growth and development. This workshop has been tested on several classes of students and following analysis, several refinements were included in subsequent iterations. Results of the students' experiments have been positive and instructive, with student learning outcomes above expectations. Further details of the workshop techniques and approach will be presented.


2010 ◽  
Vol 28 (3) ◽  
pp. 273-316 ◽  
Author(s):  
Kevin J. Pugh ◽  
Lisa Linnenbrink-Garcia ◽  
Kristin L. K. Koskey ◽  
Victoria C. Stewart ◽  
Christine Manzey

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