[Solved] The number one ethical issue in doing business over the Internet is A)intellectual property. B)pornography. C)possible invasion of privacy. D)security of frnancial information. Cohort Effect: Effect that occurs when people born in one historical period are at different risk for a disorder than are people born in another historical period. Psychological Variable: An attribute, trait, or condition of an individual that can be measured or observed in psychology. Researcher: An individual who conducts systematic investigations into phenomena, often through structured study and experimentation, to establish facts or reach new conclusions. Electroconvulsive Therapy: A psychiatric treatment involving electrical induction of seizures in patients to provide relief from mental disorders.