Introduction

I-1

The PRISM Project

I-1

Context     

I-4

     Previous research on deductive reasoning

The Model 

I-6

Classroom research  

I-8

Theoretical and methodological background

I-10

Method

I-11

A:

A  summary of what activities were done each day and by whom

II-A-1

B:

Summary table of dates and contexts for each kind                                                       of reasoning listed in the (revised)model

Reasoning by Analogy  

II-B-1

Reasoning by Induction   

II-B-1

Reasoning by Multi-Step Deductions 

II-B-2

Reasoning by Simple Deduction 

II-B-4

Other Reasoning

II-B-10

Research questions

Question 2

  III-1

Question 3

III-8