8. Mr. Burns likes to know whether playing music increases concentration in his open plan offices and if certain musical genres are more effective than others. In three of his open plan offices employees perform a concentration test at the end of a working day. During the working day the following musical interventions took place: in open plan office 1, no music was played; in open plan office 2, classical music of Mozart was played; in open plan office 3, music by The Beatles was played. In each of the open plan offices, 8 employees have been working. The sum of squares between is 2999; the sum of squares within is 1888. The critical value with an error level of 5% is 3.47. Please test whether there is a significant difference between the three interventions. Please also calculate the adequate effect size and interpret whether the effect is small, medium or large • HO: ₁₂ = μ3 μ1 = με H1: M1 M2 μ3

8. Mr. Burns likes to know whether playing music increases concentration in his open plan offices and if certain musical genres are more effective than others. In three of his open plan offices employees perform a concentration test at the end of a working day. During the working day the following musical interventions took place: in open plan office 1, no music was played; in open plan office 2, classical music of Mozart was played; in open plan office 3, music by The Beatles was played. In each of the open plan offices, 8 employees have been working. The sum of squares between is 2999; the sum of squares within is 1888. The critical value with an error level of 5% is 3.47. Please test whether there is a significant difference between the three interventions. Please also calculate the adequate effect size and interpret whether the effect is small, medium or large • HO: ₁₂ = μ3 μ1 = με H1: M1 M2 μ3

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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