Table 3.

Summary of analysis of selected studies.

N°	V	D	R	E	O	C	P	Ed	VC	Ds	Rd	Rr	Rc	T	Ci	Ip
1	Yes	Yes	Yes	No	Yes	No	Yes	Yes	Yes	Yes	No	No	No	Yes	Yes	Yes
2	Yes	Yes	No	Yes	No	No	Yes	No	No	Yes	No	No	Yes	No	Yes	Yes
3	Yes	Yes	No	Yes	Yes	No	Yes	No	No	Yes	No	No	Yes	No	Yes	Yes
4	Yes	Yes	Yes	No	Yes	Yes	Yes	No	Yes	Yes	Yes	Yes	No	Yes	Yes	Yes
5	No	No	No	Yes	Yes	No	Yes	Yes	Yes	Yes	Yes	No	No	No	Yes	Yes
6	Yes	Yes	Yes	No	Yes	Yes	Yes	Yes	Yes	Yes	Yes	No	Yes	Yes	Yes	Yes
7	Yes	Yes	Yes	No	Yes	Yes	Yes	No	Yes	Yes	No	No	No	Yes	Yes	Yes
8	Yes	Yes	No	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	No	Yes	Yes	Yes	Yes
9	Yes	Yes	No	Yes	Yes	Yes	Yes	No	Yes	No	No	No	Yes	Yes	Yes	Yes

V, Variables in the title; D, Variable's definition; R, Replicated program; E, Own elaboration program; O, Mention of objectives in introduction; C, Hypothesis confirmed; P, Pre and post-test; Ed, Design explication; VC, Validity and Reliability; Ds, Sessions' description; Rd, Descriptive results; Rr, Correlational results; Rc, Comparative results; T, Effect size; Ci, Comparison between investigations Ip, Program positive program.