In reading intervention research, implementation fidelity is assumed to be positively related to student outcomes, but the methods used to measure fidelity are often treated as an afterthought. Fidelity has been conceptualized and measured in many different ways, suggesting a lack of construct validity. One aspect of construct validity is the…

Background/Context: Reading achievement declined drastically during the COVID-19 pandemic (Bailey et al., 2021). One report suggests more than one-third of fourth-grade students cannot read at a basic level and access to effective literacy instruction is particularly limited for minority students and students with learning disabilities (Ellis et…

Fidelity of implementation is a commonly used term that is not well understood yet frequently assessed in schools today. This paper will discuss the different approaches commonly used in schools (e.g., structural, procedural, etc.) and then present them in relation to student outcomes within a seven-month intervention study with at-risk…