1.What do people in chad say when they are greeting someone?
2. What is chads major (largest) industry?
3. who is chads Chief of state

The dictionary definiton of a word reflects the of that word?

When were criminals first used to create a system to catch other criminals

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