according to the 2015 national assessment of educational progress, what percentage of fourth-grade students have scored "basic" or "below basic" in reading?

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

If you are fighting an infection, your might become enlarged and painful. a. lymphocytes c. lymph nodes b. lymph d. capillaries

In watson’s little albert experiment, what does the loud metal clanging noise represent? a: neutral stimulus b: unconditioned stimulus c: unconditioned response d: conditioned stimulus e: conditioned response