walter-l-saunders documents

Comments and criticism comments on Lawson's “Call for a unifying theory”
Documents Comments and criticism comments on Lawson's “Call for a unifying theory”
The effect of task content upon proportional reasoning
Documents The effect of task content upon proportional reasoning
An experimental study of the effect of the presence or absence of living visual aids in high school biology classrooms upon attitudes toward science and biology achievement
Documents An experimental study of the effect of the presence or absence of living visual aids in high school biology classrooms upon attitudes toward science and biology achievement
A comparison of concrete and formal science instruction upon science achievement and reasoning ability of sixth grade students
Documents A comparison of concrete and formal science instruction upon science achievement and reasoning ability of sixth grade students
The Constructivist Perspective: Implications and Teaching Strategies for Science
Documents The Constructivist Perspective: Implications and Teaching Strategies for Science