Which of the following represents a basic level item?

What is the ability to arrange items according to a quantitative dimension?

A) transitivity B) conservation C) reversibility D) seriation

Mary has been diagnosed with borderline personality disorder. Based on statistics, which of the following experiences in her childhood is highly likely to have a relationship with her disorder??

a. ?Mary’s father had left their mother and lived out of state, though he sometimes telephoned. b. ?Mary’s vision problems went undiagnosed for a long time and contributed to her difficulties in school. c. ?Mary was a shy child who preferred to read books in her room rather than play outside with other children. d. ?Mary’s mother drank heavily and left her children to mostly fend for themselves, except for when she got angry and disciplined them physically.