Applying Statistical Inference: An Example Marty studied whether tattoos affect employer perception of job applicant responsibility.Although the independent variable (tattoo) did not really affect employer perceptions, differences in how he treated each treatment group caused him to mistakenly reject the null hypothesis.Marty's decision illustrates
A)confounding by extraneous subject variables.
B)measurement error.
C)Type 1 error.
D)Type 2 error.

Question

Quizplus · Accepted Answer

Marty mistakenly rejected the null hypothesis, meaning he falsely concluded that there was a significant relationship between tattoos and employer perceptions. This is a Type 1 error because he incorrectly rejected a true null hypothesis.

Applying Statistical Inference: an Example Marty Studied Whether Tattoos Affect