Dr. bloom wanted to learn if ice cream preferences were different at different stages of development. for her study, she conducted a one-time assessment in which she asked a group of 5-year-olds, a group of 15-year-olds, and a group of 30-year-olds to identify their ice cream preferences. dr. bloom conducted a

Dr. Bloom conducted a  "cross-sectional study".

A cross-sectional study analyzes the connection between malady (or other wellbeing related state) and different factors of enthusiasm as they exist in a characterized populace at a solitary point in time or over a brief time frame.

Cross-sectional studies can be thought of as giving a preview of the recurrence of a sickness or other wellbeing related attributes (e.g. introduction factors) in a populace at a given point in time. Cross-sectional investigations are utilized to survey the weight of sickness or wellbeing needs of a populace and are especially helpful in educating the arranging and designation of wellbeing assets.

good question. i'll be looking into that. (this is a joke sir)

answer; role- taking;