b) A researcher is interested in learning about the effects of distraction on li
ID: 3526398 • Letter: B
Question
b) A researcher is interested in learning about the effects of distraction on listening comprehension and randomly assigns participants to one of three distraction groups.
c) A researcher is compares the life satisfaction of 10-year-olds, 25-year-olds, and 65-year-olds.
d) A researcher classifies a group of college students on the basis of their fitness level as sedentary, moderately active, or highly active and then measures their endurance.
Repeated-measures ANOVA is a more powerful test than between-subjects ANOVA. This means that, with the same scores, a researcher would be _______________ when using a repeated-measures ANOVA.
a) less likely to reject the null hypothesis.
b) more likely to reject the null hypothesis.
c)less likely to reject the alternative hypothesis.
d) more likely to reject the alternative hypothesis.
Which of the following measures of variability can be found in one-way, repeated-measures ANOVA but not in between-subjects, one-way ANOVA?
b) SSSubjects
c) SSTotal
a) Mean of group 1 = 10 and Mean of group 2 = 15
b)Mean of group 2 = 15 and Mean of group 4 = 14
c) Mean of group 3 = 12 and Mean of group 1 = 10
d) Mean of group 3 = 12 and Mean of group 4 = 14
1. In which of the following situations would it be necessary to use repeated-measures ANOVA? a)A longitudinal study follows a group of kindergarten children through high school and assesses their intelligence at three time points.b) A researcher is interested in learning about the effects of distraction on listening comprehension and randomly assigns participants to one of three distraction groups.
c) A researcher is compares the life satisfaction of 10-year-olds, 25-year-olds, and 65-year-olds.
d) A researcher classifies a group of college students on the basis of their fitness level as sedentary, moderately active, or highly active and then measures their endurance.
Explanation / Answer
1. The correct answer is Option A. A longitudinal study follows a group of kindergarten children through high school and assesses their intelligence at three time points.
2. The correct answer is Option B. This means that, with the same scores, a researcher would be more likely to reject the null hypothesis when using a repeated-measures ANOVA.
3. The correct answer is Option D. In order to analyze her data, Dr. Rounder would use between subjects ANOVA.
4. The correct answer is Option B. The SS subjects is not found in the between subjects ANOVA.
Please post the other questions separately as we are supposed to answer just one question or four sub parts of a question.
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