Professor rodgers examined survey information on people who were 65 years old and older. he found the average level of happiness reported increased from 1982 to 2002. he concluded that people under 65 years of age also experienced increasing levels of happiness from 1982 to 2002. the error he committed is called:
a. the error of overgeneralization.
b. the error of selective observation.
c. the error of illogical reasoning.
d. the error of inaccurate observation.
e. no errors.