Areplication that investigates the relationship between the same conceptual variables that were studied in previous research but tests the hypothesis using different operational definitions of the independent variable and/or the dependent variable is known as a(

The answer is conceptual replication.

Explanation:

This occurs when researchers replicate an experiment using different methods and approaches. When it is done in the exact same way as a previous experiment, it is called exact replication.

Conceptual replications are useful for confirming the theoretical basis of the previous experiment, as well as predicting udner which circumstances the outcomes will occur.

answer; chemical substances that affect our psychological state;