Answer:
A cross-sectional study
Step-by-step explanation:
Cross-sectional research in psychology is defined as using a variety of people who differ in the variable of interest but carries other characteristics as well, including educational background, ethnicity, socioeconomic status, etc. It is often used by a researcher who studies developmental psychology. it is used for population-based surveys and to assess the prevalence of disease. These studies are usually inexpensive and relatively faster.