______ Can Be a Source of Bias in the Study

question 49

Multiple Choice

______ can be a source of bias in the study if the participants who drop out are different from the participants who remain.

• A) Attrition
• B) Erosion
• C) Corrosion
• D) Deterioration

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Definitions:

Portfolio

A group of financial instruments comprising equities, debentures, commodities, liquid assets, and near cash items, in addition to closed-end funds and exchange traded funds (ETFs).

Alpha Stock

A stock that is expected to outperform the broader market, typically showing a positive alpha indicating better than expected returns.

Beta Stock

An indicator of how much a stock's price fluctuates compared to the entire market, with a higher beta signifying more instability.

Risk Aversion

The preference for a certain outcome over others with a higher potential for gain but also with higher risk.