About __________ % of the treated cases of dissociative identity disorder are women

Which of the following statements regarding outcomes of adopted children is TRUE?

A) Adopted children experience more adjustment problems when they are younger at the time of adoption. B) Adopted children are more likely to be referred for psychological treatment than other children. C) Most adopted children report being dissatisfied with being adopted and do not feel attached to their adoptive parents. D) Adopted girls tend to have more adjustment difficulties than adopted boys do.

Professor Shapiro is conducting a within-subjects experiment with two treatment conditions, A and B. He is finding that subjects are displaying a carryover effect from treatment A to B, but that there is no carryover effect from B to A

It appears that Professor Shapiro is experiencing the problem of a. subject mortality. b. asymmetric transfer. c. participant bias. d. statistical regression.