Dr Gong Conducts a Study Where She Randomly Assigns Participants

Multiple Choice

Dr. Gong conducts a study where she randomly assigns participants to different experimental conditions. The testing for each condition occurs in a different room of the psychology building. After collecting her data, she learns that the air conditioning in one of the rooms had been turned off during data collection. Which of the following threats to internal validity should Dr. Gong be concerned with?

A) Design confound
B) Selection effect
C) Order effect
D) Maturation effect