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What is the principal product when aniline is treated with sodium nitrite and hydrochloric acid at 0-5 C and this mixture is added to p-ethylphenol?
Research-Supported
Refers to approaches or treatments that have empirical evidence demonstrating their effectiveness.
External Validity
External validity refers to the extent to which the results of a study can be generalized to other situations and to other people.
Observer Bias
A bias that occurs when an observer's expectations or preconceptions influence their perception and interpretation of events or data.
Placebo Effect
A phenomenon wherein a patient experiences a perceived improvement in condition due to believing they are receiving treatment, when in fact they have been given a non-active substance or intervention.
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