Dr.schmidthwould like to investigate the effectivness of a newly invented drug to treat clinical depression . Specifically, he would determine if it is more effective than current medications for this disorder. With this in mind, design an experiment using double-blind procedure and explain how the placebo effect could impact the resul of this study. Be sure to indentify your dependent and independent varriables , as well as any confounding varriable. Also, specify your experimental and control conditions. Identify any experimental procedure that would help to ensure the reliability of your research .
Answers
How to ensure validity and reliability in your research. The reliability and validity of your results depends on creating a strong research design, choosing appropriate methods and samples, and conducting the research carefully and consistently.
The term reliability in psychological research refers to the consistency of a research study or measuring test. ... Of course, it is unlikely the exact same results will be obtained each time as participants and situations vary, but a strong positive correlation between the results of the same test indicates reliability.
In simple terms, research reliability is the degree to which research method produces stable and consistent results. A specific measure is considered to be reliable if its application on the same object of measurement number of times produces the same results.
Common measures of reliability include internal consistency, test-retest, and inter-rater reliabilities. ... Cronbach's alpha is one of the most common methods for checking internal consistency reliability.