AP PSYCHOLOGY

RESEARCH METHODS THINKING CRITICALLY WITH PSYCHOLOGICAL SCIENCE

THE SCIENTIFIC METHOD AND DESCRIPTION

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which of the following is used only in correlation studies?
A
Double blind
B
Placebo
C
Random assignment
D
Scatterplot
Explanation: 

Detailed explanation-1: -The correct answer is D. (Scatterplot). Scatterplot is the way of displaying the data from correlation studies which enables easier identification of correlation between variables and its direction.

Detailed explanation-2: -If there are multiple pizza trucks in the area and each one has a different jingle, we would memorize it all and relate the jingle to its pizza truck. This is what correlational research precisely is, establishing a relationship between two variables, “jingle” and “distance of the truck” in this particular example.

Detailed explanation-3: -A correlational study is a type of research design that looks at the relationships between two or more variables. Correlational studies are non-experimental, which means that the experimenter does not manipulate or control any of the variables. A correlation refers to a relationship between two variables.

Detailed explanation-4: -The correct answer is d. The correlation value between the given two variables denotes the strength and direction of the linear relationship between them. Its value always lies between-1 and 1.

There is 1 question to complete.