Mod7Less2

When comparing three or more groups on some continuous measure, the independent variable is...
Ordinal or ratio scale
Nominal or ordinal scale
Nominal or interval scale
Ratio or nominal scale
When comparing three or more groups on some continuous measure, the dependent variable is...
Ratio or nominal scale
Ratio or ordinal scale
Nominal or interval scale
Interval or ratio scale
The statistical test used to compare three or more groups on a continuous variable is...
Dependent samples t-test
One-sample t-test
Independent samples t-test
One-way analysis of variance
The null hypothesis states that...
1) there is a significant difference between at least two groups
2) there is no significant difference between groups
3) the groups are statistically equivalent
4) options 1 and 3
The alternative hypothesis states that...
There is no significant difference between groups
There is a significant difference between groups
The group are statistically equivalent
None of the above
When conducting statistical tests, we are testing...
The alternative hypothesis
The null hypothesis
Both the null and alternative hypothesis
The research question
In the video, what is the research question being examined?
Is there a difference in gender between different education levels
Is there a difference in education level among females
Is there a difference in education level among males
Is there a difference in the number of days with cold symptoms between the placebo, low dosage, and high dosage vitamin C groups?
Based on the video, which of the following is the independent variable?
Males and females
Education level
Gender
Vitamin C dosage groups
Which of the following is the dependent variable?
Males and females
Education level
Gender
Number of days with cold symptoms
If the results of the one-way ANOVA reveal no group differences in number of days with cold symptoms, then...
1) we fail to reject the null
2) we reject the null
3) we accept the null
4) options 1 and 3
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