Clear my choice Time left 0:07:06 Researchers wanted to investigate the differences in self-confidence between Year 8 pupils (12-23 yrs) with different attachment styles and different extra curricular activities. 250 year 8 pupils at a local comprehensive school completed a survey consisting of a scale measure of self confidence, an attachment style questionnaire, and a question asking if they attended either a theatre group, a Guide/Scout group or no extra-curricular groups ition in their spare time. Participants could only select one extra curricular activity, those who participated in both a theatre group and a Guide/Scout group were excluded. O a. Multiple regression O b. Two way between groups ANOVA O c. One way between groups ANOVA O d. Two way mixed ANOVA Clear my choice Next page