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SPSS HOMEWORK 5 INSTRUCTIONS CORRELATION

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PSYC 355;SPSS HOMEWORK 5 INSTRUCTIONS;CORRELATION;Part 1;Green & Salkind: Lesson 31, Exercises 14;The following helpful tips are numbered to correspond with the exercise number to which they;refer (a dash indicates that no tips are needed);1. ---------- (2 pts for output and 2 pts each for ac);2. Answer this question in sentence form. Include the correlation (r) and degrees of;freedom, the p value, and whether these values indicate a significant correlation between;the variables or not. (2 pts);3. All homework Results sections must follow the example given in the Course Content;document Writing Results of Statistical Tests in Current APA Format (Note: you do not;have to refer to a figure). (2 pts);4. ---------- (2 pts);Part 2;1. A clinical psychologist would like to determine whether there is a relationship between;observer ratings of childrens anxious behaviors and scores on an established diagnostic;interview assessing anxiety disorders. He administers the diagnostic interview to 28 children;and records these scores. He then trains an observer to independently rate anxiety-specific;behaviors for each of the 28 children. These ratings are totaled for an overall anxious;behavior score. On both the interview and the behavioral ratings, a higher score indicates;higher levels of anxiety. These scores are listed in the table on the following page. Conduct a;Pearson correlation coefficient analysis to determine whether there is a relationship;between the interview scores and the behavioral ratings for this group of children.;The steps will be the same as the ones you have been practicing in Part 1 of the assignment;the only difference is that you are now responsible for creating the data file as well.;Remember to name and define your variables under the Variable View, then return to the;Data View to enter the data. (3 pts);Page 1 of 4;PSYC 355;Interview;(Range 09);3;2;4;9;7;7;4;8;3;3;2;1;6;8;8;7;1;2;3;3;5;8;7;4;6;6;5;2;Anxious;Behavior Rating;(Range 025);7;6;6;21;20;18;10;9;5;7;5;3;17;19;23;22;4;7;7;3;13;20;16;12;13;18;15;9;2. Create a simple scatterplot of the relationship between these variables (define interview scores;as the x-axis and behavioral ratings as the y-axis). (3 pts);3. Write an APA-style Results section describing the outcome. All homework Results sections;must follow the example given in the Course Content document Writing Results of Statistical;Tests in Current APA Format (Note: you do not have to refer to a figure). Be sure to include;the direction of the relationship between the variables (positive? negative? none?) in your;section. (3 pts);Page 2 of 4;PSYC 355;4. A neuropsychologist is assessing the relationship between brain function and performance on;a visuo-spatial task. He administers a test to 14 patients on which scores can range from 120;a high score indicates normal brain function, and a low score indicates some levels of brain;dysfunction. He then asks each patient to complete a maze and records the number of;mistakes the patient makes from start to finish. The scores are listed in the table below.;Conduct a Pearson correlation coefficient analysis to determine what the relationship is;if any, between brain function and performance on the maze task.;The steps will be the same as the ones you have been practicing in Part 1 of the assignment;the only difference is that you are now responsible for creating the data file as well.;Remember to name and define your variables under the Variable View, then return to the;Data View to enter the data. (3 pts);Dysfunction Score;3;8;9;4;15;6;18;17;19;6;5;20;17;5;Number of;Mistakes on Maze;Task;25;18;18;26;6;19;3;4;6;16;14;2;5;23;5. Create a simple scatterplot of the relationship between these variables. (3 pts);6. Write an APA-style Results section describing the outcome. All homework Results sections;must follow the example given in the Course Content document Writing Results of Statistical;Tests in Current APA Format (Note: you do not have to refer to a figure). (3 pts);7. The null hypothesis for this scenario can be written as follows: There is no relationship;between level of brain function and the number of mistakes made on a maze task. Based on;your results, should this hypothesis be rejected or retained, and why? Write your answer in;sentence form. (2 pts);Page 3 of 4;PSYC 355;Part 3: Cumulative Homework;1. A developmental psychologist is studying whether students in a certain preschool program;perform better than preschoolers in the state in general on a measure of math readiness. The;mean score for preschoolers in the state on the measure is 87. The psychologist tests the;preschoolers in the program and records the scores in the table below. Choose the correct test;to analyze this question, set up the SPSS file, and run the analysis. Follow the directions under;the table below.;Math Readiness;Scores;90;89;86;91;78;92;88;73;79;89;88;91;93;89;92;a) Paste appropriate SPSS output. (2 pts);b) Paste appropriate SPSS graph. (2 pts);c) Write a Results section in current APA style describing the;outcome. All homework Results sections must follow the;example given in the Course Content document Writing Results;of Statistical Tests in Current APA Format (Note: you do not have;to refer to a figure). (2 pts);Submit this assignment by 11:59 p.m. (ET) on Monday of Module/Week 5.

 

Paper#17080 | Written in 18-Jul-2015

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