Jayden tests a substance's pH using a test strip. It turns blue . What can he tell from this information?

Me with this psychology homework, i’m struggling with it.

Explain both sides of shays rebellion. include perspectives of the political leaders of the rebellion.

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