If We Wanted to Assess Through an Experimental Design the Effect

question 15

Multiple Choice

If we wanted to assess through an experimental design the effect of race and age working together on a person's propensity toward substance abuse, we would probably select which type of experimental design

• A)a Factorial design
• B)the Solomon four group design
• C)the "classic" experimental design
• D)the multiple experimental group with one control group design

---

Definitions:

Power

The probability that a statistical test will correctly reject a false null hypothesis; related to the capability to detect an effect if there is one.

Type II Error

The error that occurs when a statistical test fails to reject a false null hypothesis.

Type I Error

The incorrect rejection of a true null hypothesis, or "false positive," often denoted by alpha (α).

Statistical Significance

A measure of whether observed data can be considered as not being the result of chance, typically through the use of a p-value.