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In the context of this study, chance acting alone implies that:   Each respondent randomly selected the aggressiveness rating for the dog. Whether the dog image was tearful or tearless the respondent would have chosen the same aggressiveness rating. The tears had no impact on the aggressiven

In the context of this study, chance acting alone implies that:   Each respondent randomly selected the aggressiveness rating for the dog. Whether the dog image was tearful or tearless the respondent would have chosen the same aggressiveness rating. The tears had no impact on the aggressiven

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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In the context of this study, chance acting alone implies that:

 
  • Each respondent randomly selected the aggressiveness rating for the dog.
  • Whether the dog image was tearful or tearless the respondent would have chosen the same aggressiveness rating.
  • The tears had no impact on the aggressiveness rating.
  • The aggressiveness rating chosen by each participant had nothing to do with whether the dog had tears or not.
  • The observed difference between the average aggressiveness ratings was due solely to the random allocation of the participants to the images (Tearful or Tearless).
Figure 2: Aggressiveness by Photo Questions 2 and 3 refer to the following additional information. A two-sided randomisation test was performed on the data with hypotheses: Ho Tearless - Tearful = 0 H1 μTearless - μTearful #0 VIT output of the data and the re-randomisation distribution is shown below in Figure 3. Data ő Re-Randomised Data 0 I -5 0.59 Re-Randomisation Distribution Figure 3: VIT output from the randomisation test. 5 6 2/1000 = 0.002 0.59 7 9 Tearful Tearless 10 Tearful Tearless 10
Transcribed Image Text:Figure 2: Aggressiveness by Photo Questions 2 and 3 refer to the following additional information. A two-sided randomisation test was performed on the data with hypotheses: Ho Tearless - Tearful = 0 H1 μTearless - μTearful #0 VIT output of the data and the re-randomisation distribution is shown below in Figure 3. Data ő Re-Randomised Data 0 I -5 0.59 Re-Randomisation Distribution Figure 3: VIT output from the randomisation test. 5 6 2/1000 = 0.002 0.59 7 9 Tearful Tearless 10 Tearful Tearless 10
A study aimed to explore the influence of tears on perceived aggressiveness by using pictures of animal faces with digitally added tears. 403 participants, recruited from different social networks and academic institutions, were sent an online survey that included a photo of a dog. The dog photo was randomly selected to either be tearless or tearful. Picó, A., & Gadea, M. (2021). When animals cry: The effect of adding tears to animal expressions on human judgment. PLOS ONE, 16(5), e0251083. https://doi.org/10.1371/journal.pone.0251083 Figure 1: The tearless dog (left) and tearful dog (right). One question in the survey asked: Rate how aggressive you find the dog on the 10-point scale below, where 0 indicates the complete absence of aggressiveness, and 10 the highest degree of aggressiveness. Plots of Aggressiveness by Photo are shown in Figure 2. Photo Tearful Tearless 0 Aggressiveness O O O O 10
Transcribed Image Text:A study aimed to explore the influence of tears on perceived aggressiveness by using pictures of animal faces with digitally added tears. 403 participants, recruited from different social networks and academic institutions, were sent an online survey that included a photo of a dog. The dog photo was randomly selected to either be tearless or tearful. Picó, A., & Gadea, M. (2021). When animals cry: The effect of adding tears to animal expressions on human judgment. PLOS ONE, 16(5), e0251083. https://doi.org/10.1371/journal.pone.0251083 Figure 1: The tearless dog (left) and tearful dog (right). One question in the survey asked: Rate how aggressive you find the dog on the 10-point scale below, where 0 indicates the complete absence of aggressiveness, and 10 the highest degree of aggressiveness. Plots of Aggressiveness by Photo are shown in Figure 2. Photo Tearful Tearless 0 Aggressiveness O O O O 10
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