Tess Armstrong, PhD, is an assistant professor in the department of movement science at Grand Valley State University. Dr. Armstrong has published numerous articles related to youth physical activity, and she has given more than 20 research and professional presentations at local, state, national, and international conferences. She has nine years of experience teaching at the preK-5 level and in teacher preparation programs. Dr. Armstrong currently teaches classes related to assessment in physical education; teaching methods of fitness, of dance, and of elementary physical education; and physical education for classroom teachers. She is actively involved in supervising preservice teachers at the university level.