Excluding the topics you discussed in questions 1 and 2, wha…

Excluding the topics you discussed in questions 1 and 2, what are TWO other course concepts you believe are essential for anyone (caregivers, practitioners, teachers, policy-makers, etc.) to know about child development (any aspect)?  Make sure to discuss these concepts in some detail, and provide justification for why you selected them.   You MUST cite 2 different chapters in your response (place the chapter # in parentheses). Do not repeat information you included in the first and second questions.