When research participants in Group A ate soup from a bowl that was continuously refilled without their knowledge, they ate much more soup than participants in Group B who ate from bowls that were not refilled. The experimenters determined that was because:

Question

When research participants in Group A ate soup from a bowl that was continuously refilled without their knowledge, they ate much more soup than participants in Group B who ate from bowls that were not refilled.  The experimenters determined that was because:

BlackTom AI · Accepted Answer

As the question presents, a classic eating behavior study contrasts two groups with different bowl refill conditions.
Option 1: 'Group A enjoyed the soup more than Group B.' The scenario does not provide evidence about enjoyment or savoring differences; it focuses on quantity consumed and cues, not reported preference. Therefore this statement is not the mechanism described.
Option 2: 'Group A reported feeling hungrier than Group B.' This would imply a subjective sensation driving intake, which is not the core explanation given by the researchers in this setup. The key factor is the visual cue from the bowl, not reported hunger levels.
Option 3: 'All of these answers are correct.' Since Options 1 and 2 are not supported as the explanatory mechanism, this broad statement cannot be correct.
Option 4: 'The emptying bowl served as a visual cue to stop eating for Group B.' This matches the well-documented cueing effect: when bowls are refilled invisibly, the lack of a visible ending point signals the eater to stop, so Group B ends up consuming less. The mechanism centers on external visual feedback rather than intrinsic hunger or enjoyment, making this the correct explanation.

When research participants in Group A ate soup from a bowl that was continuously refilled without their knowledge, they ate much more soup than participants in Group B who ate from bowls that were not refilled. The experimenters determined that was because:Single choice

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