Exhibit 12-1: Indicate whether the following hypotheses are necessarily ex post facto research or possible to perform with experimental research.
-Refer to Exhibit 12-1.First graders whose parents read to them regularly when they were preschoolers will have higher reading achievement than those whose parents did not read to them regularly.
A) necessarily ex post facto research
B) possible to do with experimental research

Question

Quizplus · Accepted Answer

This hypothesis involves comparing groups based on past behaviors (parents reading to children during preschool years), which cannot be manipulated by the researcher for an experiment. Therefore, it is necessarily ex post facto research, as it relies on conditions that have already occurred.

Exhibit 12-1: Indicate Whether the Following Hypotheses Are Necessarily Ex