The scenario (perhaps again, since questions are shuffled):…

The scenario (perhaps again, since questions are shuffled): Joni is upset about her roommate John who expects her to pay half of the recent electric bill.  Joni is pretty upset when she tells John that she thinks he should pay ¾ of the bill.  As they argue, Joni realizes that John really has been covering for her in the past year, and so, Joni and John agree to each pay half of the bill. During the fight Joni also realizes that re-establishing roommie bonds would be good over the next months.In terms of changing goals over time, how would you best describe Joni’s goal of re-connecting with John?

I conduct a study on the effect of a low carb diet on weight…

I conduct a study on the effect of a low carb diet on weight loss among people with a mobility issue. I use their weight that was recorded in the OT hospital clinic today and then measure their weight using my bathroom scale from home 4 weeks later. This would cause a threat to internal validity known as: