Answer:
Cross-sectional survey
Explanation:
Cross-sectional survey: The survey collects data from various groups of people to make a deduction about the population in which the researcher is interested at any given time.
In cross-sectional studies or research, the researcher involves participants from various groups who share few characteristics including emotional background, ethnicity, and socioeconomic status but differ in the variable of interest.
Example: Harriet wants to look at spectators who attend the next summer Olympic Games.