Bache's Research on Racial Differences in Performance on Reaction Time

question 22

Multiple Choice

Bache's research on racial differences in performance on reaction time tasks found that whites had the slowest reaction times when compared to African Americans or Native Americans. He explained that result by claiming that

• A)Native Americans had cheated by anticipating the signals
• B)the jobs of African Americans were more akin to the reaction time tasks used
• C)whites were not very motivated in the tasks
• D)the mind of a white person was more contemplative and less reflexive

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Definitions:

Weighted Average

A calculation that takes into account the varying degrees of importance of the numbers in a data set, often used in financial analyses to find an average value wherein each data point can carry a different weight.

Convexity

A measure of the curvature in the relationship between bond prices and yield, indicating how the duration of a bond changes as interest rates change.

Duration Predictions

Predictions about the length of time it will take for the price of a bond to be repaid by its internal cash flows.

Yield Falls

A situation where the yields on bonds decrease, which typically occurs when bond prices increase.