This study examines the interaction between gender and the effect on student learning of working alone or in either single or mixed sex pairs. 68 A-level students (mean age 16.8 years) , all attending mixed sex schools, took part in a task which incorporated a number of basic learning processes. They worked alone or in either in single or mixed sex pairs. It was found male students got more answers correct when they worked with females, than when they worked alone. It was found that, in mixed sex pairs, both male and female students gave less wrong answers than did individuals. In addition, females had more confidence in their correct answers when working with males, than when working with other females, or alone. It was suggested there co...