The Data in the Table Below Show the Concordance Between

question 131

Multiple Choice

The data in the table below show the concordance between identical twins and same-sex fraternal twins for five complex traits. Based on these data, which of the traits shows the GREATEST effect of heredity relative to environment? $$\begin{array} { | r | c | c | } \hline { \text { Trait } } & \begin{array} { c } \text { Identical twin } \\\text { concordance (\%) }\end{array} & \begin{array} { c } \text { Same-sex fraternal } \\\text { twin concordance } \\( \% ) \end{array} \\\hline \text { M } & 100 & 50 \\\hline \text { H } & 100 & 75 \\\hline \text { K } & 100 & 15 \\\hline \text { L } & 100 & 100 \\\hline \text { Q } & 100 & 25 \\\hline\end{array}$$

• A)trait M
• B)trait H
• C)trait K
• D)trait L
• E)trait Q

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Definitions:

Mental Load

The cognitive burden of keeping track of and managing household tasks, responsibilities, and planning, often disproportionately shouldered by one person in a household.

Decision Control

The extent to which individuals have the power or autonomy to make choices and decisions regarding aspects of their life or work, influencing their sense of control and satisfaction.

Occupational Stress

The physical and emotional stress experienced due to pressures and demands at one's place of work.

Robert Karasek

A researcher known for his contribution to occupational health psychology, notably the demand-control model of work stress.