The Psychologist Diederik Stapel Published Fraudulent Research Results for Decades

Multiple Choice

The psychologist Diederik Stapel published fraudulent research results for decades before his deception was uncovered.When caught,Stapel was:

A) fired from his academic position and had his publications retracted.
B) verbally warned to stop engaging in fraudulent behavior;no further action was taken due to a lack of an enforcement agency.
C) forced to retract those publications in which fraudulent data appeared but allowed to keep his academic position.
D) fired and sent to prison for 5 years for his fraudulent activities.