In order for embryos with an XY chromosome combination to develop primary male sex characteristics __________ must be present in the testes

Lifespan research shows that the ratio of attempted to completed suicides is smallest among:

a) elderly males b) adolescent males c) young adult males d) adolescent females

Researchers presented two groups of physicians with information regarding a surgical procedure. Half the physicians were told that on average 15 out of 100 people die as a result of the surgery; the remaining physicians were told that on average 85 out of 100 people survive the surgery. Based on the framing effect, you should expect

a. the second group of physicians would be more likely to recommend the surgical procedure to their patients. b. the first group of physicians would be more likely to recommend the surgical procedure to their patients. c. both groups of physicians would recommend the surgical procedure to their patients. d. neither group of physicians would recommend the surgical procedure to their patients.