Final answer:
To conduct a research study on teens' favorite social media platforms, a simple random sample can be used. The sample should be representative of the population and give every teen an equal chance of being selected. The selected teens can be given a survey to determine their preferences regarding social media platforms.
Step-by-step explanation:
A simple random sample for a research study on teens' favorite social media platforms could be conducted by randomly selecting a certain number of teens from a population, such as a school or a community. The sample should be representative of the population and give every teen an equal chance of being selected.
For example, the researchers could assign a unique number to each teen in the population and then use a random number generator to select a specific number of teens.
The selected teens can be given a survey that includes questions about their favorite social media platforms, such as 'Which social media platforms do you use the most?' or 'Rank your favorite social media platforms from most to least favorite.' These questions would help researchers determine the preferences of teens regarding social media platforms.