Mrs. hart is a first-grade teacher and she is doing research in her own classroom. this type of descriptive research is called:

This type of descriptive research is called "action research".
Descriptive research is utilized to portray attributes of a population or wonder being considered. Subsequently, descriptive research can't depict what caused a circumstance. In this way, descriptive research can't be utilized as the premise of a causal relationship, where one variable influences another.