In a Study on the Effects of Caffeine on Memory

question 369

Multiple Choice

In a study on the effects of caffeine on memory, participants drank a bottle of tasteless water containing 100, 50, or 0 milligrams of caffeine. Neither the researcher who handed out each bottle of water nor the study participants knew whether a bottle of water contained caffeine or not. This is an example of a _____ study.

• A) correlational
• B) case
• C) single-blind
• D) double-blind

Recognize the use and limitations of symptom exacerbation and medication withdrawal studies in clinical research.

Understand various research methodologies used in studies, including their design and purposes.

Grasp the concept and importance of longitudinal studies in understanding developmental and psychological processes.

Comprehend the significance and readability levels of informed consent forms in clinical research.

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