Even though the Strange Situation experiment elicits different responses depending on culture, the most frequent attachment classification across cultures is

The Dharmashastras, the Talmud, and the conception of life proposed by Solon ______

a. were written within a year of one another b. were written by men c. each divide the life span into 5-year periods d. are all sacred law books of the Hindu religion

There are two types of unwanted sources of variance: systematic variance from extraneous variables; and

a. systematic variance from the independent variable. b. nonsystematic error variance. c. systematic variance from the dependent variable. d. nonsystematic explained variance.