Katrina Rhymer, Ph.D.
  • Position: School Faculty, Program Director, and Licensed Psychologist
  • Department: Psychology
  • Campus Address: Sloan Hall 138, Central Michigan University, Mount Pleasant, MI 48859
  • Phone:  989-774-6468
  • Email: rhyme1kn@cmich.edu


Katrina N. Rhymer, Ph.D. received her Ph.D. in School Psychology from Mississippi State University in 2000. She completed her internship at the Houston Independent School District in Houston, TX. She has been at Central Michigan University since 2000. She has been a Licensed Psychologist in the state of Michigan since 2008.

Research Interest:

My research involves examining academic interventions used with children. The majority of my research has involved examining the explicit timing intervention and the interspersal intervention for mathematics.  Currently, we are investigating the relationship between empirically-validated academic interventions and general anxiety, test anxiety, and math anxiety. 

Recent Research:

Cates, G.L., & Rhymer, K.N. (2006). Effects of explicit timing on elementary students' oral reading rates of word phrases. Reading Improvement, 43, 148-156.

Rhymer, K. N., & Cates, G. L. (2006). Student performance on and preferences for mathematics word problems: An investigation of the effects of explicit timing and interspersing procedures. School Psychology Quarterly.

Rhymer, K. N., & Morgan, S. K. (2005). Comparison of the explicit timing and interspersal interventions: Analysis of problem completion rates, student  preference, and teacher acceptability.

Cates, G. L., & Rhymer, K. N. (2003). Examining the relationship between  mathematics anxiety and mathematics performance: A learning hierarchy   perspective. Journal of Behavioral Education, 12, 23-34.

Clark, S., & Rhymer, K. N. (2003). Student preference for explicit timing and interspersal procedures as a function of math problem completion rates: Testing the discrete task completion hypothesis. Journal of Behavioral Education, 12, 275-286.

Rhymer, K. N., Skinner, C. H., Jackson, S., McNeill, S., Smith, T., & Jackson, B. (2002). The 1-minute explicit timing intervention: The influence of mathematics   problems difficulty. Journal of Instructional Psychology, 29, 305-311.

Rhymer, K. N., Evans-Hampton, T. N., McCurdy, M., & Watson, T. S. (2002).  Effects of varying levels of treatment integrity on toddler aggressive behavior. Special Services in the Schools, 18, 75-82.

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