Feeling fatigued after a hard day's work, Carter decided to go to a restaurant to order a large drink and a big piece of chocolate pie to feel energized. Which situational influence most likely accounts for Carter's behavior?

Current conditions

Explanation:

The situational influence which most likely accounts for his behavior is his current conditions.

He was fatigued after a hard day's work, which made him hungry and he decided to go to a restaurant to order a large drink and a big piece of chocolate pie to feel energized. This was to enable him to feel okay after the stressful work he went through.

this null effect is caused by a weak manipulation and ineffective internal validity. in a scientific study, as the one dr. morimoto is trying to perfom, internal validity refers to the confidence placed in the cause-effect relationship and to how well an experiment is done and able to eliminate confounding variables.