Examlex
The ________ background radiation in fact far exceeds all the energy radiated by all the starsand galaxies that formed since then.
Placebo Effect
A phenomenon in which a person experiences a perceived improvement in their condition due to the expectation of treatment, rather than the treatment itself.
Random Selection
A method used in research to randomly choose participants for a study, ensuring that every individual in a population has an equal chance of being chosen, thus increasing the generalizability of the results.
Ageism
Discrimination or prejudice against individuals or groups based on their age.
Discrimination
Discriminatory behavior towards various groups of individuals, particularly based on their race, age, or gender.
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