Examlex
______ is the procedure in which every participant has an equal chance of being assigned to the experimental or control group and is essential for ensuring that the groups are equal in all preexisting characteristics, such as age, ethnicity, and gender.
Age
The length of time that a person or entity has existed.
Bar Mitzvah
A Jewish coming of age ritual for boys reaching the age of 13, symbolizing their obligation to observe the commandments.
Age Grade
A form of social organization based on age, in which individuals of similar age and sex are categorized together and hold similar rights and duties.
Age Set
A social category of people who share a similar age and, often, responsibilities, rites of passage, or duties within their community.
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