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. 2016 Oct 13;7:1560. doi: 10.3389/fpsyg.2016.01560

Table 2.

Factorial structure of the control scales (FC-fathers and MC-mothers), family support (FS-fathers and MS-mothers), and assessment of the school environment, saturation values and reliability index (Alpha index).

Control. general Support. general Assessment of the school. general
KMO = 0.771
Chi-square = 7559.498; p ≤ 0.000.
KMO = 0.768
Chi-square = 9410.088; p ≤ 0.000.
KMO = 0.925 Chi-square = 6434.421; p ≤ 0.000.
Explained variance (69.244%). Explained variance (73.758%). Explained variance (58.823%).
Factor I (38.679%). Items: FC (0.741) and MC (0.694) about friends. FC (0.686) and MC (0.667) about their behavior on the street. FC (0.643) and MC (0.614) about their timetable. Factor I (35.408%). Items: FS (0.767) encouraged to do the best they can. FS (0.743) help when facing problems. FS (0.733) help with school work. Factor I (34.399%) Items: My parents' reaction to my grades (0.790). The image that my teachers have of me (0.734). Evaluations (0.575). Relationships with teachers (0.549).
Factor II (11.964%). Items: MC (0.909) and FC (0.818) about money. Factor II (11.056%). Items: FS (0.839) and MS (0.478) respect me. MS (0.686) and FS (0.656) I trust them. Factor II (7.131%). Items: How rules are enforced (0.789). Penalties for breaking rules (0.735).
Factor III (9.922%). Items: MC (0.867) and FC (0.863) over their attendance at school. Factor III (9.496%). Items: MS (0.818) encouraged to do the best they can. MS (0.762) help when facing problems. MS (0.415) help with school work. Factor III (6.059%). Items: We work hard as a group (0.728). They let us make decisions about the tasks (0.695). Public recognition from the teacher (0.505). Classes are interesting and varied (0.430).
Factor IV (8.678%). Items: FC (0.834) and MC (0.783) over the hours devoted to daily study. Factor IV (9.057%). Items: MS (0.937) and FS (0.856) clear communication of expectations. Factor IV (5.721%). Items: Teachers want us to understand (0.811). Teachers want us to enjoy learning (0.659). We have enough time for homework (.470).
Factor V (8.741%). Items: MS (0.904) and FS (0.695) care about my academic success. Factor V (5.513%). Items: With the peers (0.932) With the school in general (0.405).
Reliability indices: Reliability indices: Reliability indices:
General alpha index = 0.855 General alpha index = 0.854 General alpha index = 0.871
Paternal control alpha index = 0.793 Paternal support alpha index = 0.842 Satisfaction alpha index = 0.827
Maternal control alpha index = 0.725. Maternal support alpha index = 0.705. Learning environment alpha index = 0.782.