Which researcher challenged the traditional concepts of sexuality and gender by asserting that gender identity and sexual orientation ran along a continuum?

Research on sibling relationships during the toddler years has found that ______________

a. they tend to have a positive reaction to the birth of a younger sibling b. in developed countries, but not in traditional cultures, toddlers have attachments to their siblings c. toddlers' attachments to their siblings tend to be secondary attachments rather than primary attachments d. only in individualistic cultures is conflict more common with siblings than in any other relationship throughout childhood and adolescence

DSM-IV-TR classifies people along five axes and _____ disorders

a. interprets b. speculates on causes of c. describes symptoms of d. prescribes treatment for