Generalization of findings is closely related to because generalizations can only be made for populations that share the characteristics of the original study's participants.

I believe the answer is :Random sampling

Random sampling refers to select a group of subjects that could be used as sample for a research from a large population. The selection is beind done without any criteria in hope that the sample at least represent the general composition of the population.

there are no options provided but you can choose among the following gender-neutral pronouns: zir, hir, eir, vis, tem, eir.

in the normal course of maintaining a pronoun-antecedent agreement, we could have used the words his or her but since we are also required to use gender-neutral language, we need to replace it with its equivalent gender-neutral pronoun.

is there a year set? the question is incomplete