BIS 245 WEEK 3 ILAB COMPREHENSIVE TEST
2026 QUESTIONS WITH ANSWERS GRADED
A+
◉ Control Group. Answer: A group that does not receive the
treatment or receives a baseline condition
◉ Treatment Group. Answer: A group that receives the manipulated
level of the IV
◉ Placebo Group. Answer: A control group that receives an inert or
inactive treatment
◉ Design Confound. Answer: A flaw in a study that creates
alternative explanations by varying systematically with the IV
◉ Systematic Variability. Answer: Differences between groups that
are consistent and linked to the IV
◉ Unsystematic Variability. Answer: Random differences between
participants that add noise but not bias
2026 QUESTIONS WITH ANSWERS GRADED
A+
◉ Control Group. Answer: A group that does not receive the
treatment or receives a baseline condition
◉ Treatment Group. Answer: A group that receives the manipulated
level of the IV
◉ Placebo Group. Answer: A control group that receives an inert or
inactive treatment
◉ Design Confound. Answer: A flaw in a study that creates
alternative explanations by varying systematically with the IV
◉ Systematic Variability. Answer: Differences between groups that
are consistent and linked to the IV
◉ Unsystematic Variability. Answer: Random differences between
participants that add noise but not bias