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reated four children who were afraid of snakes with a be led systematic desensitization. In this procedure, childre ce over four treatment sessions. Children rated how fea he first session (baseline) and following each treatment eater fear. The hypothetical data are listed in the table. ects design and make a decision to retain or reject the n ........ .. ons 4 3 4 3

reated four children who were afraid of snakes with a be led systematic desensitization. In this procedure, childre ce over four treatment sessions. Children rated how fea he first session (baseline) and following each treatment eater fear. The hypothetical data are listed in the table. ects design and make a decision to retain or reject the n ........ .. ons 4 3 4 3

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
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**Q25-** A child psychologist treated four children who were afraid of snakes with a behavioral modification procedure called systematic desensitization. In this procedure, children were slowly introduced to a snake over four treatment sessions. Children rated how fearful they were of the snake before the first session (baseline) and following each treatment session. Higher ratings indicated greater fear. The hypothetical data are listed in the table. Complete the F table for this within-subjects design and make a decision to retain or reject the null hypothesis. **Table: Fear Ratings Across Sessions** | | Sessions | |---------|----------------| | | Baseline | 1 | 2 | 3 | 4 | | **Child 1** | 7 | 7 | 5 | 4 | 3 | | **Child 2** | 7 | 6 | 6 | 4 | 4 | | **Child 3** | 6 | 6 | 7 | 7 | 3 | | **Child 4** | 7 | 7 | 5 | 4 | 3 | **Description of the Table:** - **Sessions:** The data columns represent a baseline measurement and four subsequent sessions. - **Fear Ratings:** Each row corresponds to a hypothetical child's fear rating, ranging from baseline to session 4. Higher numbers indicate greater fear. Children start with higher fear ratings at baseline, and ratings generally decrease across sessions. This dataset can be analyzed using an F-test for repeated measures to determine if the systematic desensitization had a significant effect on reducing fear.
Transcribed Image Text:**Q25-** A child psychologist treated four children who were afraid of snakes with a behavioral modification procedure called systematic desensitization. In this procedure, children were slowly introduced to a snake over four treatment sessions. Children rated how fearful they were of the snake before the first session (baseline) and following each treatment session. Higher ratings indicated greater fear. The hypothetical data are listed in the table. Complete the F table for this within-subjects design and make a decision to retain or reject the null hypothesis. **Table: Fear Ratings Across Sessions** | | Sessions | |---------|----------------| | | Baseline | 1 | 2 | 3 | 4 | | **Child 1** | 7 | 7 | 5 | 4 | 3 | | **Child 2** | 7 | 6 | 6 | 4 | 4 | | **Child 3** | 6 | 6 | 7 | 7 | 3 | | **Child 4** | 7 | 7 | 5 | 4 | 3 | **Description of the Table:** - **Sessions:** The data columns represent a baseline measurement and four subsequent sessions. - **Fear Ratings:** Each row corresponds to a hypothetical child's fear rating, ranging from baseline to session 4. Higher numbers indicate greater fear. Children start with higher fear ratings at baseline, and ratings generally decrease across sessions. This dataset can be analyzed using an F-test for repeated measures to determine if the systematic desensitization had a significant effect on reducing fear.
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