Among the most common types of experiments are comparative studies that contrast outcomes under different conditions such as male versus female, placebo versus drug, or before versus after treatment.

We compare ourselves with other people. We do so in different ways, in different situations. We may or may not be aware of the comparisons we make. We may or may not realize, for good or ill, how ...

Theodore Roosevelt said the following about comparison, “Comparison Is the Thief of Joy.” When we compare ourselves to others, we rob ourselves of our own happiness. Through comparison, we either feel ...