Jamovi HW7

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University of Oregon *

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302

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Statistics

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Feb 20, 2024

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docx

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4

Uploaded by ProfessorEnergyDinosaur33

Jamovi Homework 7 16 points For any question that requires you to perform a function in Jamovi, make sure you provide relevant output from Jamovi underneath the corresponding question in order to receive credit. Jamovi assignments should be completed using the homework documents as a template with the answers filled in underneath each question. The completed word documents should be submitted on Canvas through the Assignments tab. Problem 1 First-born children tend to develop language skills faster than their younger siblings. One possible explanation for this phenomenon is that first-borns have undivided attention from their parents. If this explanation is correct, then it is also reasonable that twins should show slower language development than single children and that triplets should be even slower. Davis (1937) tested this theory. The data in the table demonstrate the relationship that was found in that study. There are 18 children in our study. The dependent measure is language skill at age 3 for each child, with higher values indicating greater skill. This data is also contained in the language.csv file. Conduct an omnibus one-way ANOVA test and a Tukey post-hoc test in jamovi. Note: Check your data entry carefully. It is easy to lose almost all points on this homework assignment if you mistype a number, as many subsequent statistics and analyses will be incorrect! Output (4 points) 1) Paste the necessary tables for this analysis from jamovi, both descriptive and inferential (including post hoc tests) (3 points). If your tables are too wide, resize them to fit on the page. Table 1. Language skills of 18 children, grouped by sibling status Single child Twin Triplet 8 6 5 7 4 5 10 6 8 6 7 3 9 4 5 8 9 4 .
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