Table 2.

Mean Stereotype Response and One-sample t-tests for Science as a Function of Participant Age and Gender

Age Group	Gender	M	SD	t	df	p	Cohen’s d
Middle Childhood	Boys	12.38	40.75	5.35	309	< 0.001	0.30
	Girls	-1.72	36.95	-0.83	316	0.41	0.05
Late Childhood	Boys	6.03	26.55	2.86	158	0.005	0.23
	Girls	-1.33	17.51	-1.02	180	0.31	0.08
Adolescence	Boys	0.27	16.61	0.15	85	0.88	0.02
	Girls	-1.46	15.11	-0.92	91	0.36	0.10

Note. For stereotype response scale; -100 = minimum stereotype endorsement, 0 = no difference between response to ‘boys’ and ‘girls’ questions, 100 = maximum stereotype endorsement.