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Rooted in academic research and theoretical frameworks, this degree program examines human growth from prenatal stages through late adulthood, emphasizing relationships within couples, marriages, families, and peer groups. The curriculum explores intrapersonal factors (such as personality and cognition), interpersonal dynamics (including relationship conflicts and self-disclosure), and societal influences (like race-ethnicity and socioeconomic status) on personal and familial wellness. Numerous courses analyze interpersonal and family behaviors across developmental stages—from infancy and childhood to adolescence, young adulthood (dating and early marriage), middle age (divorce, remarriage, parenting), and later years (widowhood, grandparenting). Selected courses also address critical social issues impacting individuals and families, such as violence. Upper-level coursework prepares students for careers in child advocacy, early intervention, youth development, human resources, social services, and social justice. Furthermore, HDFS serves as excellent preparation for advanced studies in healthcare, nursing, medicine, law, education, and related graduate fields. Hands-on learning opportunities at the Child Development Research Center and TTU Center for Early Head Start—both NAEYC-accredited facilities—allow students to develop service and research skills through interaction with young children. Note: Background checks are mandatory for center participation. Community-based supervised experiences offer engagement with older youth, couples, families, and seniors, helping students comprehend behavioral development and interpersonal dynamics in professional contexts. The Human Development and Family Sciences Department is committed to advancing individual, family, and relational health across the lifespan via research, education, service, and community partnerships.