To account for something means to take it into consideration or include it in your assessment or analysis. In this context, neglecting to account for a child's sensory development means not taking into consideration how their senses may affect their behavior.
Related terms
Sensory Development: The process of a child's senses (such as sight, hearing, taste, touch, and smell) developing and maturing over time.
Behavioral Assessment: The systematic evaluation of an individual's behavior using various methods and techniques.
Ethical Issue: A moral dilemma or concern related to what is considered right or wrong in a particular situation.