Examlex
In calculating the sample variance, the sum of the squared deviations around the mean is divided by n - 1 to avoid underestimating the unknown population variance.
Altruism
Selfless concern for the well-being of others, often involving actions done for the benefit of others without expectation of reward.
Social Exchange
A theory in social psychology suggesting that social behavior is the result of an exchange process where individuals aim to maximize benefits and minimize costs.
Passionate Love
An intense emotion that combines physical attraction and emotional attachment to another person, often characterized by ardor and desire.
Divorce Rates
The statistical measure of divorces per population in a specified area over a given time period.
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