Clinical Control Studies Test an Intervention

question 15

True/False

Clinical control studies test an intervention.

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Definitions:

Efficient Markets Hypothesis

The theory that all available information is already reflected in stock prices, implying that it is impossible to consistently achieve higher returns.

Semistrong-Form

A theory related to the Efficient Market Hypothesis that asserts all public information is already reflected in stock prices, along with historical information.

Weak-Form

In finance, a hypothesis suggesting that past stock prices and volumes are not predictive of future stock prices.

Weak Form

Assumes that all information contained in past price movements is fully reflected in current market prices. Thus, information about recent trends in a stock’s price is of no use in selecting a stock.