PROCEEDINGS OF THE 16TH ANNUAL CONFERENCE OF THE SOUTHERN AFRICAN ASSOCIATION FOR RESEARCH IN MATHEMATICS, SCIENCE AND TECHNOLOGY EDUCATION SAARMSTE 2008, MASERU, LESOTHO 12 - 18 January 2008 Volume 2, 2008 EDITED BY THE ROLE OF RESEARCH IN PROMOTING RELEVANCE, QUALITY AND ACCESS TO MATHEMATICS, SCIENCE AND TECHNOLOGY EDUCATION IN SOUTHERN AFRICA MOKAEANE VICTOR POLAKI TSEPO MOKUKU THABIUSO NYABA-NYABA