Analyzing Intervention Response: Practical Tips for School Psychologists

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In this webinar, Dr. Krach reviews three techniques for analyzing intervention data, which include graphing data trends, effect size, and percent non-overlapping data (PND). She reviews each of these techniques, and then applies them to two case studies. The case studies include analyzing the response to intervention for a student whose goal is to improve in reading, and a student whose goal is to decrease out of seat behavior. She then answers five questions related to collecting and analyzing data. She also provides a variety of free resources for participants to learn more and efficiently calculate the data. Presented by S. Kathleen Krach, Ph.D., NCSP in Novemeber of 2022. This individual webinar can be purchased for $25 (scroll down to purchase). The content in this webinar is intertwined with Domains 1, 2, 3, and 4 of the NASP Practice Model.’s recorded webinars are non-refundable. Attendees who complete this 1-hour webinar will receive 1.0 NASP-Approved CPD credit.

Learning Objectives:

1. Understand the basics of calculating effect size for intervention effectiveness decisions.

2. Understand the basics of calculating percent non-overlapping data (PND) for intervention effectiveness decisions.

3. Understand the basics of using graphical trend data for intervention effectiveness decisions.

Brief Bio:

S. Kathleen Krach, Ph.D., NCSP is an Assistant Professor at Florida State University in the school psychology program and the doctoral program in combined school and counseling psychology. Dr. Krach is licensed as a psychologist in the states of Florida, Nevada, and Alabama and holds the credential of Nationally Certified School Psychologist. Prior to working at FSU, she was an associate professor at Troy University, where she was the program coordinator for the school psychology and school psychometry programs. She was also co-listed as faculty in the counseling programs. Before working at Troy, she was an assistant professor at the University of Nevada Las Vegas (UNLV). She was co-listed there as well, as faculty in both the School Psychology and the Learning and Technology programs. For more information about Dr. Krach, please click here.

Attendee Feedback

“The examples utilized in the presentation were very applicable and relatable therefore making the presentation easily understood. I appreciated the resources provided throughout the webinar.” – Betsy

“The presentation was easy to understand and had applicable examples to the school setting.” – Erin

“Excellent! I love that you have provided the resources on your website! Thank you!” – Jessica

“This was so helpful! I can see myself using these methods to better present data to my teams about student progress. It also helps me think about how my school based teams can work to collect better data.” – Kristen

“This was an excellent presentation. I appreciate how Dr. Krach made complex information easy to understand. It is also directly applicable to my work in schools.” – Melanie

“Outstanding job! Bravo! Difficult subject matter made easy is an art, well done. Highlighted for me personally, was a distinction between academic and clinical practice of statistical methods. Cheers” – Michael

“The presenter was very knowledgeable, and I appreciated them incorporating common questions into the presentation.” – Natalie

“I loved that the presenter included calculators and materials for practical use in our daily practice. Additionally, I enjoyed the Q&A review that was completed as part of the presentation. It outlined the pathways forward for difficulties that we may encounter in our daily practice working with real data and students/schools.” –Nicole

“Great brief presentation on data collection for the 3 different methods. The questions that were asked and answered were good at clarifying points made in the presentation.” – Ted

“Dr. Krach was wonderful! She made the information easy to understand.” – Tracy

Course Instructor Author

Recorded Webinar

1 year of access

You can access this individual webinar for $25 or you can access all the webinars for just $99 through our Back to School sale.