Examlex
According to George Vaillant's longitudinal studies, ________ in middle age was more strongly related than intimacy to whether individuals would have an enduring and happy marriage at 75 to 80 years of age.
Diversified Portfolio
An investment strategy that involves spreading investments across various asset classes to reduce risk.
Beta Coefficient
An indicator of the level of fluctuations or systematic risk associated with a particular security or portfolio relative to the overall market.
Volatility
The degree of variation of a trading price series over time, usually measured by the standard deviation of returns.
Standard Deviation
A statistic that measures the dispersion or variability of a dataset relative to its mean.
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