Population: Population refers to the entire group of individuals or items that are of interest to researchers. It's the larger pool from which a sample is drawn.
Sampling Frame: A sampling frame is a list or representation of all the members in a population from which a sample can be selected. It serves as a reference for selecting participants.
Sample Size: Sample size refers to the number of individuals or items included in a sample. It plays an important role in ensuring statistical reliability and accuracy.