TABLE 3.

Categories, codes and inclusion criteria used.

Categories	Analysis codes		Inclusion criteria
	Conceptual		When the participant describes a theoretical type of learning, of facts and concepts. It includes the ability to identify, recognize, describe and compare objects, events or ideas.
What?	Procedural		When the participant describes learning based on actions and operations, either in practice or mentally. A set of ordered and completed actions, that is to say, aimed at the achievement of a goal. These include ability, technique, methods and strategies.
	Personal		When the participant describes learning related to values, attitudes or rules in relation to their own subjectivity. It includes beliefs, sentiments, preferences, actions and declarations of intentions.
		Educational institution	When the participant describes learning as a result of participation in a formal educational institution and is physically inside the institution.
	Formal	From home	When the participant describes learning as derived from participation in a formal educational institution, but physically he or she is at home. This includes online classes and other activities derived from academic work or study.
Where?	Not formal		When the participant describes learning as the fruit of an organized, planned educational activity undertaken outside the structure of the formal system. This includes activities that are not explicitly educational, but that contain components to support the learning process (training courses, free-time or sporting activities, extracurricular activities).
	Informal		When the participant describes spontaneous learning situations outside traditional educational institutions.
	Alone Teacher		When the participant reports learning while alone, without any other person present. This includes teachers as well as other professionals who are involved in formal teaching and learning activities, such as librarians.
Who with?	Peer group		Classmates, partner, and/or friends.
	Relatives		Legal guardians, fathers, mothers, brothers, sisters, uncles, cousins, grandparents.
	Other		Social or community agents.
	Cultural mediation		Traditional format: physical mediator such as a book, magazine, manual, etc.
			Digital format: physical mediator a digital resource or medium such as the Internet through a mobile phone, computer.
How?	Without cultural mediation		When the participant describes learning as a consequence of a reflective process without interaction with or use of any cultural artifact.
	Social mediation		Learning is described as a result of social interaction.
	Without social mediation		Learning is described as a result of personal work-reflection, without the explicit involvement of other people.