Complex sentence: Christopher Hsee demonstrated in 1988 the effect in a number of experiments: When both of the following options were offered separately participants preferred the lesser part, but if they were judged together participants preferred the the other, larger or more numerous option.
Split into simpler sentences: Christopher Hsee demonstrated in 1988 the effect in a number of experiments: When both of the following options were offered separately participants preferred the lesser option. However, if they were judged together, participants preferred the other larger or more numerous option.