Who discovered the "language" of the honeybees?

What suggestion is shared by both the metacognitive theory and the avoidance theory of generalized anxiety disorder?

a.) that the only reasonable solution to generalized anxiety disorder is the use of medication b.) that the defense mechanism of reaction formation is at play in this illness c.) that generalized anxiety disorder is a function of emotional abuse during childhood d.) that worrying serves some sort of "positive" function for the sufferer

A ____ is a situation that exists naturally but that provides interesting scientific information to the perceptive observer

a. holistic experiment b. natural experiment c. random experiment d. quasi-experiment