Astudent researcher conducts an experiment that investigates the effects of
a new mathematics...
Mathematics, 30.10.2019 20:31 wxvvyyyy
Astudent researcher conducts an experiment that investigates the effects of
a new mathematics website on student achievement. she randomly assigns
students to two groups: one that receives supplemental instruction from the
website and one that doesn't receive the supplemental instruction. each
sample consists of 20 students. observations of student engagement are
rated by the researcher, according to an engagement scale. how could this
study be improved?
select all that apply.
a. increase the sample size.
b. have another researcher provide ratings, as well.
c. limit observations to students who are engaged.
d. administer a quiz or exam that gauges student understanding.
Answers: 3
Mathematics, 21.06.2019 15:40
In what form is the following linear equation written y=9x+2
Answers: 1
Mathematics, 21.06.2019 21:40
Which statement is true about a number and its additive inverse? a. their product is always one. b. their sum is always one. c. they are always reciprocals of each other. d. their sum is always zero.
Answers: 1
Mathematics, 22.06.2019 02:30
Your weight on the moon is relative to your weight on earth. neil armstrong weighed 360 lbs. in his moon gear while on the earth, but on the moon he only weighed 60 lbs. how much would a 150 lb person weigh on the moon?
Answers: 1
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