t[,1]	t[,2]	y[,2]	se[,2]	na[]	#	study
3	4	-0.35	0.441941738	2	#	4
3	4	0.55	0.555114559	2	#	5
4	5	-0.3	0.274276316	2	#	6
4	5	-0.3	0.320087245	2	#	7