John Has Inherited a Personality Trait That Makes Him More

question 58

Multiple Choice

John has inherited a personality trait that makes him more likely to keep to himself than to socialise.As a result, he does not have many friends and spends a lot of time alone.If John were to develop depression, the model that would probably best explain this situation and the cause of his depression is

• A)diathesis-stress.
• B)biological.
• C)reciprocal gene-environment.
• D)interpersonal.

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Definitions:

Global Minimum Variance Portfolio

An investment portfolio that is designed to have the lowest risk (variance) for a given rate of return, by optimizing the allocation of assets.

Correlation Coefficient

A statistic in which the covariance is scaled to a value between −1 (perfect negative correlation) and +1 (perfect positive correlation).

Minimum Variance Portfolio

A portfolio constructed to achieve the lowest possible volatility or variability in returns among a set of potential assets.

Standard Deviation

A statistical measure that quantifies the dispersion or variability of a set of data points or investment returns around their mean (average).