Demonstrating the reliability of a measure is most important to establishing ____________ validity?

Mick and Steve are two emerging adults living in Pittsburgh. Mick's level of moral development is higher than Steve's, by Kohlberg's system. If Mick and Steve are the same age, what can we predict about Mick?

a. Steve comes from a middle class family and Mick from a working class family. b. Mick has a higher level of education than Steve. c. Mick has a lower IQ than Steve. d. There is nothing that explains this phenomenon.

When can we say that toddlers have attained object permanence?

a. when they generally avoid the A-not-B error b. when they remember where the object is c. when they look for the object under sheet A d. when they get irritated when they do not find the object