Predictive correlational studies are designed to provide a way to predict the value of one variable, in relation to another variable. Which of the following research studies is predictive correlational in design? (Select all that apply.)
a. One that studies the relationship of admission blood alcohol level in chronic alcoholics upon the amount of time that elapses before delirium tremens begin
b. One that classifies patients coming to an emergency department as critically ill, acutely ill, or not acutely ill
c. One that quantifies the probability that adolescents completing a one-day type I diabetes workshop will develop ketoacidosis in the following year
d. One that studies both girls and boys in grammar school and counts the number of interactions they have with one another daily
e. One that examines the outcomes of post-term labor
f. One that measures the effect of a researcher-applied independent variable upon a dependent variable
ANS: A, C
The aim of a predictive design is to predict the level of the dependent variable from the independent variable or variables.
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