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WorksheetsResearch Methods Quiz
Total questions: 10
Worksheet time: 7mins
A teacher wants to compare the reading comprehension skills of children with learning difficulties and children without learning difficulties. Which statistical test should she use to make this comparison?
Analysis of Variance (ANOVA)
Regression
t-test
p-test
On which of the following cases would an Analysis of Variance (ANOVA) be useful?
Comparing the language acquisition skills of two different groups
Finding the average score of a group in a Spanish test
Testing whether girls enjoyed hearing a certain story read aloud
Testing whether children in Iowa, California, and New York have different learning skills
A teacher wants to compare children of high, medium, and low family incomes on their satisfaction with the school lunch program. Which statistical test should be used to make this comparison?
p-test
ANOVA
t-test
descriptive
A researcher asks a group of students to complete a survey that measures maturity. She finds that the average score for girls is higher than the average score for boys, with a p-value of 0.03. What should she conclude from this p-value?
There's a three percent chance that the scores in the study are due to random chance.
Three percent of the girls are more mature than the boys, on average.
Ninety-three percent of the girls are more mature than the boys, on average.
There's a ninety-three percent chance that the scores in the study are due to random chance.
Inferential statistics are important to a study because they allow researchers to _____.
test whether there is a better hypothesis than the one they were using
make sure the data rejects all previous hypotheses
draw conclusions from the descriptive statistics data
make sure the data supports their hypothesis
For the results of a study to be thought to support a hypothesis, researchers must prove that the results have _____.
both descriptive and inferential statistics
standard deviation
central tendency
statistical significance
Which of the following is the median of the set of data below?
2, 5, 1, 7, 6, 5, 2, 8, 4
2
5
8
4
Which of the following is NOT a step in calculating the variance?
Subtract the mean from each data value.
Divide the sum of the squares by the mean.
Calculate the mean.
Square each of the values then find the sum of the squares
Which of the following is NOT a step in calculating the variance?
Subtract the mean from each data value.
Divide the sum of the squares by the mean.
Calculate the mean.
Square each of the values then find the sum of the squares
Which of the following statements is NOT true?
Descriptive statistics describe how we can generalize our study data to the general population
Measures of dispersion describe how spread out data are.
Inferential statistics allow us to draw conclusions from our data set to the general population.
Measures of central tendency use a single value to describe the center of a data set.
