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ANOVA Case Study Answers

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1. Effect Size (p. 256) – the difference between 2 groups – The difference between the number of male participants compared to the number of female participants was within relevance and therefore did not influence the results.
2. Analysis of Variance (ANOVA) (p. 260) – compares the mean of 2 or more groups – An ANOVA was performed to reduce the likelihood of an error due to low number of intervention sessions.
3. Analysis of Covariance (ANCOVA) (p. 265) – used to adjust the difference between the pretest scores of two or more groups – A series of ANCOVAs were performed to compare the child’s chronological age and gender.
4. Case Study (p.279) – in-depth analysis of a single experience or entity in its natural setting – The case study of the …show more content…

Category (p. 299) – ideas coded similar to form a representation of the same data – Three categories of sensory features include hyporesponsiveness, hyperresponsiveness, and sensory seeking.
8. Codes (p. 298) – used to organize data into categories – Verbal utterances, phrases, and/or complete sentences are codes for expressive language.
9. Margin of Error (p. 98) – indicates the interval of error within a population value – When comparing children with autism to children of typical development and their sensory processing patterns, the margin of error is +2/-2.
10. Cluster Sampling (p. 102) – randomly selecting naturally occurring groups – The four boys were randomly selected to participate in a survey for the 4th grade student population.
11. t-test (p. 258) – compares the means of 2 groups – The t-test compared hyperresponsiveness and hyporesponsiveness
12. Brief Notes (p. 289) – detailed records of observation which will be expanded on later – During the caregiver interview, the researcher documented the participants’ responses to expand on in the report.
13. Single-subject design (p. 238) – recorded behavior of an individual before and after a new intervention or procedure – Researchers chose a single-subject design as their method to investigate a new intervention to improve receptive language

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