Family communication ; Sprache und Emotion; Emotion und Sprache; Language and emotion; Sprache und Affekt; Sentimentanalyse (Sprachverhalten) ; Sentiment analysis (language behavior) ; Affect (language behavior) ; Jugendliche (Sprachverhalten) ; Adolescents (language behavior) ; Jargon; Youth language ; Soziokulturelles Milieu; Sociocultural environment; Socioeconomic status ; Baby talk; Motherese; Child-directed speech; Ammensprache; Babysprache; Infant-directed speech; Fatherese; Language spoken to children