HDFS 318 - Infancy and Toddlerhood

  • 3 credits

Infancy and Toddlerhood: Theory, research, and practice physical, cognitive, language and socioemotional development from pre-birth through 36 months, with an emphasis on applied settings.

Course Learning Objectives:

  • Describe the course of physical, cognitive, language, and socioemotional development from pre-birth through 36 months and apply this knowledge to observations in the classroom.
  • Compare and contrast different theories of infant and toddler development.
  • Apply theories of development and current research-based knowledge to best practices in working with infants and toddlers.
  • Discuss the concept of responsive caregiving in infancy and toddlerhood and apply it to best practices in working with infants and toddlers.
  • Compare atypical pathways in infant/toddler development to normative patterns.
  • Apply information about physical, cognitive, socioemotional, and language development to effective educational practice.

This course can be applied toward:


HDFS 310 (Infant and Child Development in Context) or PSY 260 (Child Psychology); completion of 30 credits.

Important Information

All prerequisites must be completed or consent from the instructor given prior to enrollment.

If you register for this course after the start of the term, please contact the instructor at the time of registration. By contacting the instructor, you ensure you are added to the CANVAS section as soon as possible and have access to the course and details about the class requirements.

Textbooks and Materials

Textbooks and materials can be purchased at the CSU Bookstore unless otherwise indicated.


  • Infant and Toddler Development and Responsive Program Planning: A Relationship-Based Approach, 4th Ed. (2020)
    Wittmer, Donna S. & Petersen, Sandra H.
    ISBN: 978-0134450094

The above-listed book is the text copy. The e-text is also acceptable. The ISBN for the e-text is 978-0134520698.


Day Halsey
Day Halsey

(970) 227-0354 | Day.Halsey@colostate.edu

Day Halsey is Senior Instructor faculty meember in the Human Development and Family Studies Department at CSU. She has taught HDFS courses at CSU for 11 years. Her interests include early childhood development and education, creativity development, and 21st century learning and environments.

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