 በልጅ አስተዳደግ ላይ 16 መጽሐፎችን የጻፉት የሥነ ልቦና ባለሙያው ካርል ፒክሀርት፣ በራስ መተማመን የሌላቸው ሕፃናት አዲስና፣ ፈታኝ ነገሮችን ብሞክር እወድቃለሁ፣ ሌሎችም ተስፋ ይቆርጡብኛል ብለው የሚፈሩ ናቸው ይላሉ።
Carl Picard, a psychologist, and author of 15 books for parents believe that a child who does not feel trusted by parents will be reluctant to try something new because he will be afraid of failures and opportunities to disappoint others.