Final answer:
Behavioral economics is the field that explores the intersection of psychology and economic decision-making, blending insights from both to explain how individuals make choices. Option B.
Step-by-step explanation:
The field that examines how psychological factors can explain economic decision-making is behavioral economics.
This branch of economics integrates the insights of psychology to better understand decision-making processes.
It considers how given dollar amounts and other financial valuations can mean different things to individuals depending on their psychological state, the context of the decision, and other situational factors.
Therefore, the correct answer to the question is that psychology, specifically within the context of economic decision-making, is investigated in the field of behavioral economics.
Hence, the right answer is option B.