Question 1

The last sentence of the passage can best be described as a possible explanation for a particular research finding.

The last sentence provides insight into why consumers' purchasing behavior differed based on the number of choices available, serving as a potential explanation for the observed research results.

A) an explanation of how a particular decision was reached

This option is incorrect because the last sentence does not detail the specific decision-making process of an individual consumer but rather discusses a broader phenomenon regarding choice overload.

B) a possible explanation for a particular research finding

This option is correct as the last sentence suggests that the difference in buying behavior is due to the number of choices presented, thereby explaining the research finding that fewer choices led to higher sales.

C) a claim about the impact of advertising on consumers

This option is incorrect because the last sentence does not address advertising at all; it focuses solely on the effects of choice variety on purchasing decisions.

D) a description of how people are supposed to behave

This option is incorrect as the last sentence does not prescribe behavior but rather describes an observed reaction to choice overload, which may not align with expected or ideal behavior.

E) a problem posed by an experiment conducted on consumers

This option is incorrect as the last sentence does not identify a problem but instead highlights an observation made during the experiment regarding decision-making in the context of choice.

Conclusion

The correct answer, B, stands out as it encapsulates the essence of the last sentence, which serves to clarify why the research finding occurred. Other options either misinterpret the content of the statement or divert from the primary focus of explaining the observed behavior in the context of choice overload.