[Solved] After identifying a topic, survey researcher next A) select an appropriate sample. B) review the literature. C) collect valid and reliable data. D) examine the research context. Adverse Effect: An undesired, harmful effect resulting from a medication, treatment, or intervention. Depressants: Drugs (such as alcohol, barbiturates, and opiates) that reduce neural activity and slow body functions. Barbiturates: A group of drugs that act as central nervous system depressants, often used for their sedative, hypnotic, and anticonvulsant properties. Erotic Movie Clip: A short segment of film designed to provoke sexual arousal or interest.