Mathematics, 14.04.2021 03:30, giannav57

A teacher interested in determining the effect of a new computer program on learning to read conducted a study. One hundred students were randomly assigned to one of two groups. The first group used the computer program while the second group did not. Both groups were tested to determine how much their reading levels improved. The results for the two groups were compared. What kind of study is this? This is an experiment because a treatment was applied to a group.
This is an experiment because students were able to choose which group to join.
This is a survey because students were randomly assigned to groups.
This is a survey because a treatment was applied to both groups.

Answers: 2

Show answers

Other questions on the subject: Mathematics

Mathematics, 21.06.2019 20:30, Lilshawn1

Linda loans her friend $250 with a 5% monthly intrest rate. how much was the whole loan?

Answers: 1

continue

Mathematics, 21.06.2019 22:40, kevon9008

Suppose you are choosing a 6-digit personal access code. this code is made up of 4 digits chosen from 1 to 9, followed by 2 letters chosen from a to z. any of these digits or letters can be repeated. find the total number of personal access codes that can be formed. 492,804 341,172 39,917,124 4,435,236

Answers: 1

continue

Mathematics, 21.06.2019 23:20, shawna189

1. ∠1 is complementary to ∠2 and ∠3 is complementary to ∠2. subtraction property of equality 2. m∠1 + m∠2 = 90 and m∠3 + m∠2 = 90 substitution 3. m∠1 + m∠2 = m∠3 + m∠2 definition of complementary 4. m∠1 = m∠3 given

Answers: 3

continue

Mathematics, 21.06.2019 23:30, Krazyyykiddd

Xy x xy if a and b are positive integers such that a*b=9 and b*a=72 what is the value of a/b

Answers: 3

continue

Do you know the correct answer?

A teacher interested in determining the effect of a new computer program on learning to read conduct...