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Green & Salkind: Lesson 24, Exercises 1?5

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SPSS HOMEWORK 2 INSTRUCTIONS;INDEPENDENT SAMPLES T-TESTS;Part 1;Green & Salkind: Lesson 24, Exercises 1?5;The following helpful tips are numbered to correspond with the exercise number to which they refer;1. Type these values out underneath your copied and pasted output. (3 pts);2. Instead of identifying these values on your output, as the text states, write them in your Word file as written answers for #2 a, b, and c. (3 pts, 1 point for each letter);3. The effect size statistic must be computed by hand (or calculator). Use the second ?easier? formula for d, found in the section on Effect Size Statistics in this lesson. (3 pts);4. 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);5. Create a boxplot (not an error bar graph) using the following steps (covered also in Lesson 21). (3 pts);a. Go to Graphs > Legacy Dialogs > Boxplot > Select ?Simple? > Select ?Summaries for Groups of Cases?;b. Click ?Define? and Variable = ?Time Spent? (this is your dependent variable) and Category Axis = ?Weight? (this is your independent, or grouping, variable);c. Click OK;Part 2;1. A learning psychologist is interested in comparing the success of 2 different foreign language learning programs. He assigns students to 2 different classes, one that focuses on a more academic style including lectures and worksheets, and one that focuses on a more conversational style including repetition and group work. He then administers a standardized language exam to each group of students. Using the table below, enter the data into a new SPSS data file and use an independent-samples t-test to analyze the claim that the 2 teaching styles are different.;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 for output);Table is shown on the following page.;?;Academic 154;101;85;94;172;203;124;52;93;Conversational 193;102;239;227;128;203;249;243;178;2. Create a boxplot illustrating the differences between the 2 methods of language learning. (3 pts);3. 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). (4 pts);Part 3: Cumulative Homework;1. The effects of alcohol intake on aggressive driving are studied in a group of students tested on a driving simulator. One group of 15 students is tested first with a placebo, given an ounce of alcohol, waits 30 minutes, and is tested again. Number of crashes are counted. Did consuming alcohol change aggressive driving behavior? Choose the correct test to analyze this question, set up the SPSS file, and run the analysis.;Follow the directions on the following page.;?;Placebo Alcohol;7;7;5;8;10;13;12;11;11;15;8;9;7;7;6 10;15;12;8;5;21;10;11;13;20;8;9;17;18;19;a) Paste appropriate SPSS output. (5 pts);b) Paste appropriate SPSS graph. (5 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). (5 pts);See attachments;Download Attachment;Mod2_Lesson 24 Exercise File 1.sav;Additional Requirements;Level of Detail: Show all work

 

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