Behavior descriptions should meet which of the following criteria?
a. present inferences about another���s motives.
b. include terms such as ���never, always, or constantly.���
c. focus on more than one behavior.
d. describe only observable behaviors.

Pj conducts an experimental study on the effects of soft music during high stakes science testing. he randomly assigns students at the school. in one condition he does not provide music for testing while in the other group he does provide the music. he administers a pretest at the beginning of the year and a posttest at the end of the year. pj’s design is best described as a: a.static group comparisonb. pretest-posttest control group designc.control-group-time-series designd. nonrandomized control-group pretest-posttest design

Hurricane katrina is arguably an effect : a. an increase of living creatures and crowded habitats b. environmentalism c. global climate change d. unforseen factors

Spanish for "estate," this was a type of plantation or other economic activity in spain's "new world" colonies.