High self-esteem can be related to

Jane Goodall's research began when she entered the habitat of wild chimpanzees and

simply watched them at length. What is this type of research called?

ALL BUT WHICH of the following has been a common criticism of biofeedback?

a. Biofeedback may not be more effective than other, less expensive, techniques. b. Studies on biofeedback have not always been able to separate the effects of biofeedback from the effects of other treatments included in the same treatment package. c. Biofeedback may be harmful, depending on the nature of the health condition. d. Rightly or wrongly, biofeedback has a reputation for being faddish or cultish.