<span>The question says,'validity that involves how well a study is designed and administered is ...............validity. The correct option is A. internal validity refers to how well a research project was conducted. The objective of most projects is to show that one variable causes a change in another variable, therefore it is part of internal validity to ensure that more than one independent variable do not act at the same time.</span><span />
Tennessee, due to the fact that it had already been readmitted into the Union
<span>The answer for this question would be letter A. Experimentation takes in by experimenting with your hypothesis, knowing what will happen and then gathering data from the outcome of the experiment. For your data, you create your analysis of what had happened then conclude.</span>
Answer:
Experiment
Explanation:
An experiment is simply said to be a planned inquiry or an investigation. psychologist are concerned with how to describe, explain, predict, and change behavior and the use of experiment helps them achieve their goal.. Usually, psychologists does experiments to know the probability of having a cause-and-effect relationship between different variables e.g when a researcher studies on if starving yourself of sleep affects the way you perform on a swimming test. experiment is the only research method mentioned here that allows the manipulation of an independent variable to test causation