Statistical analysis

TR Tiziana Ramaci
MP Monica Pellerone
CL Caterina Ledda
GP Giovambattista Presti
VS Valeria Squatrito
VR Venerando Rapisarda
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Descriptive statistics used absolute frequencies and percentages for categorical variables and mean and standard deviation (SD) for quantitative variables. The univariate analysis of variance (ANOVA one-way) was conducted in order to measure the influence of the gender variable on the importance attributed by participants to the reasons behind the choice and on the perceived occupational self-efficacy.

The Pearson’s chi-square test was used to evaluate the relationship between perceived self-efficacy and professional preference.

Euclidean distances were calculated to measure the distances between the self-dimensions related to the social identity and the professional identity.

Linear multiple regression analyses were conducted, assuming that among the predictor variables to the professional self-efficacy there were gender and age of the student, type of institute, parents’ type of occupation (sociodemographic level); identity dimensions that is real, social, ideal, and professional (individual level); and the reasons for choosing the school curriculum, in particular the influence of family and peer-group (social level).

A significance level of 0.05 was used. All data analyses were conducted using SPSS 22.0.

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