At her favorite restaurant, sami orders and enjoys the lobster special, which was listed at $30 on the menu. when the bill arrives, sami tries to execute a clever ploy she learned about in her business law class: she writes a check to the restaurant for $20 and writes "full settlement" across the top. the waiter accepts the check without looking at it, and the restaurant manager later deposits it in the restaurant's bank account. is this a liquidated or an unliquidated debt? is sami off the hook for the last $10?

Acriterion for waiving informed consent is that, when appropriate, subjects are provided additional pertinent information after the study. in which of the following studies would it not be appropriate to provide subjects with information about missing elements of consent: a study in which researchers told students that they would be given a quiz after reading some study materials when the researchers did not intend to use a quiz, but were attempting to focus subjects’ attention on the material.a study in which subjects were told that they performed in the third quartile on an anagram task when in reality students were randomly assigned scores that were not related to their actual performance.a study in which subjects were assigned to study activities based on an undesirable or unflattering physical characteristic as assessed by members of the research team.a study involving decision-making games in which subjects were led to believe that they were interacting with another student in another room, but were actually interacting with a computer programmed to provide consistent responses to all subjects.

In e. c. tolman's experiment, some rats were trained to run through mazes for standard food goals, while other rats were allowed to explore the mazes for 10 days without food goals or other rewards. later, when food rewards were placed in a box at the far end of the maze, the previously unrewarded rats reached the food box as quickly as the rewarded rats after only one or two trials. this experiment demonstrated that the rats had the ability to form of their surroundings.

Adolescents can display egocentrism when they become about changes in their lives.