TABLE 2.

Coding scheme and number of fragments (N).

Code	N	Value coding
Goal valuation	110	The respondent indicates that he considers learning contents as meaningful and/or interesting.	OR	The respondent indicates that he does not considers a certain task as meaningful and/or interesting.
Subcodes:
- intrinsic value:
- challenge
- utility value
- attainment value
Self-efficacy	28	The respondent indicates that he believes he has the necessary cognitive skills to be successful	OR	The respondent indicates that he does not believes he has the necessary cognitive skills to be successful or he indicates that he considers his peers, his family or his teachers as non-supportive.
Subcodes:
- fixed mindset
- labeling
Environmental perceptions	89	The respondent indicates that he thinks that his environment (teachers, peers, parents,…) believes in his capacities or he indicates that he considers his environment as supportive.	OR	The respondent indicates that he thinks that his environment (teachers, peers, parents,…) do not believes in his capacities or he indicates that he considers his environment as non-supportive.
Subcodes:
- home (parents)
- teachers
- peers
Self-regulation	82	The respondent indicates that he can set realistic expectations and/or can implement appropriate strategies to successfully complete goals.	OR	The respondent indicates that he cannot set realistic expectations and/or can’t implement appropriate strategies to successfully complete goals.
Subcodes:
- self-management
- personal standards
- self-monitoring
- transition
- elementary-secondary education