How did the development of the british colonies along the southern atlantic coast and in the west indies compare with the development of the spanish colonies in mexico and the american southwest

Dr. williams conducted a survey in the mall, measuring the shopping habits of people ages 15, 25, 35, 45, and 55, with 10 people in each group. which of the following best describes her study? an experiment a cross-sectional study a case study a longitudinal study a double-blind study