If research finds that those who drive taxicabs have enlarged areas of their hippocampi, one may be tempted to infer that driving a cab and engaging in such visuospatial activities each day causes the hippocampus areas to grow. this may or may not be the case, and this riddle demonstrates the principle of

This may or may not be the case, and this riddle demonstrates the principle of correlation vs causation.

Explanation:

The term correlation refers to a statistical and numerical measure that indicates the dimension and direction of a relationship between two or more variables. But this does not mean that the alterations of one variable results from the alterations of another variable. On the other hand, causation consists of an event that is the consequence of another event (causal relationship). In other words, it is the principle of cause and effect.

how do you know that

explanation:

the answer would be in this answer. someone already asked the question.