You read research that found that first-born children tend to have higher IQs than their siblings. However, you typically earn higher grades than your older brother. Scientists might explain this discrepancy by saying that:
A)research is probabilistic.
B)you have cherry-picked information to support your conclusion.
C)you have fallen prey to your blind spot bias.
D)your intuition is better than research.

Question

Quizplus · Accepted Answer

The research that found that first-born children tend to have higher IQs than their siblings is probabilistic, meaning that it applies to the majority but not all individuals. The fact that you, as a second-born child, earn higher grades than your older brother is an exception to the general trend found in the research, but it is not necessarily contradictory.

You Read Research That Found That First-Born Children Tend to Have