4) A researcher selected a simple random sample from among the psychology student population in her University department. She wished to show that the same participants would perform a simple task faster in front of an audience than when alone. An appropriate statistical test would be
A) Chi square
B) Correlation
C) Related t test
D) Mann-Whitney

Question

Quizplus · Accepted Answer

The appropriate statistical test for this scenario would be a related t test, as the researcher is comparing the same participants' performance in two different scenarios (with an audience and alone). Chi square is used for categorical data, correlation is used for measuring the strength of a relationship between two variables, and Mann-Whitney is used for independent samples.

4) a Researcher Selected a Simple Random Sample from Among