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27 Nov 2020, 08:14
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Sample size: Toddlers not able to reproduce sounds in the study
Additional observation: Percent observed walking independently within a month
Scientist: Recent studies regarding ambulation in toddlers have led researchers to hypothesize about a possible link between linguistic sound reproduction and an ability to walk developing within a month of demonstrating an ability to reproduce sounds, as nearly 70% of toddlers in the study who were able to reproduce sounds under consistent stimuli were observed walking independently within a month.
In the table, select for sample size a different group of toddlers within the study and for additional observation an analysis about this group that when combined would most help to evaluate the validity of the scientific hypothesis. Make only two selections, one in each column.
In the table, select for sample size a different group of toddlers within the study and for additional observation an analysis about this group that when combined would most help to evaluate the validity of the scientific hypothesis. Make only two selections, one in each column.
| Sample size | Additional observation | |
| Exact number of children in the study | ||
| Toddlers not able to reproduce sounds in the study | ||
| Toddlers able to reproduce sounds in the study | ||
| Percent observed walking independently within a month | ||
| Percent observed reproducing sounds in the study | ||
| Number dismissed from the study |
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Official Answer
Sample size: Toddlers not able to reproduce sounds in the study
Additional observation: Percent observed walking independently within a month
27 Nov 2020, 08:14
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Official Solution:
Correct answer:
Sample size "Toddlers not able to reproduce sounds in the study"
Additional observation "Percent observed walking independently within a month"
Bunuel
The proportion of toddlers not able to reproduce sounds in the study who were also observed walking independently within a month, would provide additional evidence helpful in evaluating the validity of the hypothesis in the prompt that there is a possible link between linguistic sound reproduction and an ability to walk developing within a month of demonstrating an ability to reproduce sounds.
Correct answer:
Sample size "Toddlers not able to reproduce sounds in the study"
Additional observation "Percent observed walking independently within a month"
17 Mar 2024, 10:27
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The phrasing of "Sample Size" was confusing to me when the question also stated that the phrase meant another group of samples. In my mind, "size" referred to quantitative numbers, not a group of individuals. Could someone explain if GMAT has the same wording?
