Personality Variables Pat's relationship with his girlfriend during the 3 weeks he ran subjects resembled a very scary roller coaster ride.Their frequent fights and making up affected his performance in the lab.Some days he was angry and withdrawn while on others he was happy and outgoing.His inconsistent demeanor in both treatment conditions probably
A)increased statistical power.
B)made it harder to detect the effect of the IV.
C)made subject responses more variable.
D)made it harder to detect the effect of the IV and made subject responses more variable.

Question

Quizplus · Accepted Answer

Pat's inconsistent demeanor and varying moods would have made it harder to detect the effect of the independent variable being tested, as it would be difficult to determine whether any changes in subject responses were due to the IV or simply due to Pat's mood swings. Additionally, his emotional fluctuations may have contributed to increased variability in subject responses, further complicating data analysis.

Personality Variables Pat's Relationship with His Girlfriend During the 3