Answer:
A. Descriptive
Step-by-step explanation:
Based on the information provided within the question it can be said that the type of research that is being described in this scenario is known as Descriptive research. Like mentioned in the question this research focuses on describing all the characteristics of the population or phenomenon that is being studied in the experiment or research. Mainly focusing on the "what" aspect of the research, therefore collecting various data types of the observations being made.