College

A group of scientists is conducting an experiment on the effects of media on children. They randomly select 100 children and randomly assigneach child to one of four treatment groups. Each treatment group has a specific amount of screen time during a one-week time frame. Thefirst group has no screen time, the second group has two hours of screen time, the third group has four hours of screen time, and the fourthgroup has six hours of screen time,After the first week, the scientists conduct the same experiment, with the same subject groups, for three more weeks so that each groupexperiences each of the four treatments.Which statements about this study are true?This study uses blinding.This study uses random samplingThis study uses a control group.This study uses blocking.This study uses a repeated measures design.
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A certain shampoo is available in two sizes. A 14.2 -ounce bottle costs 3.98$ . A 33.9 -ounce bottle costs 9.98$ .Find the unit price for each size. Then state which size is the better buy based on the unit price.Round your answers to the nearest cent.
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How would you write the quotient as a simplified fraction?A) 85146 = 18 23/36B) 85146 = 18 1/2C) 85146 = 18.5 D) 85146 = 17 23/46
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_______________ are sounds the auditory apparatus makes.vibrationsotoacoustic emissionscochlear action potentialsnone of the above
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My sister is a rockstar is an example of A. Metaphor B. Antithesis C. AbstractionD. Repetition E. Simile
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Help a bro outttttttt
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Why does fulgencio become frightened of the gringo?
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find the discriminant of -2x^2+8=x^2-28
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can someone help me please with advice. i an trying to get an upstream sensor fixed on my 2009 nissan murano and i went to firestone and they are trying ti charge me 499 for it. am i being ripped pff amd could go somewhere else to get it fixed for cheaper or are they chargung a decent price to get it fixed. please help:(
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Use square roots to solve the equation x ^ 2 = - 25 over the complex numbers. Select any solutions that apply A.-5 B. -5i C. -5i^2 D.5i
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Robin currently has 50 subscribers on her You.Tube channel, and Dimitri currently has 17 subscribers. Robin gains 4 subscribers every week, while Dimitri gains 7 subscribers each week.Part A: Set up a system of equations to shows each person's subscribers.Part B: After how many weeks will Robin and Dimitri have the same number of subscribers?Part C: How many subscribers will Robin and Dimitri have when their subscriber count is equal?
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Write 23/18 as a decimal.
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I Need THIS DONE ASAP
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This is the question but thank you
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Which shows two triangles that are congruent by AAS
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Why do organisms perform fermentation?
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Write the expression:the sum of a number and it's opposite
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6x36x2/ 6x simplified
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PLZ HELP ME WITH MY MATH HOMEWORK!!! SHOW WORK!!!
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Which best describes what public interest groups generally promote?
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what kind of effects are there at individual and country level when there is no respect of rights of equality of religions
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7. I wish someone (give) .................. me a job next month.
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If 20 students have only airpods,10 students only have beats, and 30students have beats in total howmany students have both beats andairpods?
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What is 20% of 130.8?
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