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CCSS.Math.Content.HSS.IC.B.5

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CCSS.Math.Content.HSS.IC.B.5
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20 questions

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1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Media Image

210 college students were randomly assigned to play either a violent or nonviolent video game.  A short time later, the students were presented with the opportunity to trivially harm another person and results comparing the two groups were recorded.
Is this study OBSERVATIONAL or EXPERIMENTAL

Observational
Experimental

Tags

CCSS.Math.Content.HSS.IC.B.5

CCSS.Math.Content.HSS.IC.B.3

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What does it mean when a test is statistically significant?

it has reached alpha level status
the test statistic had a P-value higher than the alpha level
the test statistic had a P-value lower than the alpha level
it is important in practical terms

Tags

CCSS.Math.Content.HSS.IC.B.5

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

How can you reduce both Type I and Type II errors?

it can't be reduced
redo the tests
increase the sample size
tamper with the data

Tags

CCSS.Math.Content.HSS.IC.B.5

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The conductor has control over the environment in this setting

experiment
observational study
population
sample

Tags

CCSS.Math.Content.HSS.IC.B.5

CCSS.Math.Content.HSS.IC.B.3

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The group of participants who do not receive a treatment.

Experimental
Treatment
Sample
Control

Tags

CCSS.Math.Content.HSS.IC.B.5

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Assigning treatment groups by pairing subjects according to a similarity. One subject in the pair is randomly selected to receive one treatment while the other subject receives the other treatment

Randomized Block Design
Matched Pairs Design
Random Selection

Tags

CCSS.Math.Content.HSS.IC.B.5

7.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

A market research company wishes to find out whether the population of students at a university prefers Starbucks or Dunkin Donuts. A random sample of students is selected, and each student is asked first to try both but the order they try them is randomly decided with a coin toss (heads: Starbucks, then Dunkin. tails: vice versa). They then indicate which brand they prefer. This is an example of

a completely randomized experiment
an observational study
a stratified sample
a matched pairs experiment

Tags

CCSS.Math.Content.HSS.IC.B.5

CCSS.Math.Content.HSS.IC.B.3

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