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PSYC 355 SPSS HOMEWORK 4 Assignment Two-Way ANOVA

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Question;SPSS Homework 4 InstructionsTwo-Way ANOVAPart One:Note: For the two-way ANOVA, you will be expected to create a line graph as covered in the SPSS tutorial in the Course Content (and not a boxplot as in the textbook). This applies to future cumulative questions as well.Green & Salkind: Lesson 26, Exercises 1, 4, 5, 6, 7, and 8The following helpful tips are numbered to correspond with the exercise number to which they refer (a dash indicates that no tips are needed):1.Instead of identifying these values on your output, as the text states, please write them into your Word file aswritten answers for #1 a, b, c, and d. (2 pts for output, a-d = 2 pts each)a. 3x3 Anova was conducted to investigate the effects of reinformecment schedules and arithmetic problem solving performance of second grade students the F value of the main effect was shown as 25.034 the total GPA mean was b..196 with thec. effect sizeof ________ and d. thep value for the reinforce type main effect is.000Tests of Between-Subjects EffectsDependent Variable: Scores on an arithmetic problem-solving testSourceType III Sum of SquaresdfMean SquareFSig.Partial Eta SquaredCorrected Model1927.455a5385.49119.662.000.621Intercept56204.182156204.1822866.674.000.979schedule490.9091490.90925.039.000.294reinfor1249.1822624.59131.857.000.515schedule * reinfor187.364293.6824.778.012.137Error1176.3646019.606Total59308.00066Corrected Total3103.81865a. R Squared =.621 (Adjusted R Squared =.589)4.Produce a line graph instead of a boxplot for this problem. Follow directions in course SPSS tutorial for setting up a line graph. (2 pts)5.Conduct a two way ANOVA to evaluat difference among the groups, according to gender and disability status of the child, in the amount of time fathers spent playing with their children (2 pts)Between-Subjects FactorsValue LabelNDisability status of the child1Typically Developing202Physical Disability203Mental Retardation20Gender of Child1Male292Female31Descriptive StatisticsDependent Variable: playDisability status of the childGender of ChildMeanStd. DeviationNTypically DevelopingMale7.301.82910Female6.802.20110Total7.051.98620Physical DisabilityMale3.001.56310Female3.401.89710Total3.201.70420Mental RetardationMale3.221.7169Female4.001.61211Total3.651.66320TotalMale4.552.61329Female4.712.36931Total4.632.47060Levene's Test of Equality of Error VariancesaDependent Variable: playFdf1df2Sig..427554.828Tests the null hypothesis that the error variance of the dependent variable is equal across groups.a. Design: Intercept + disable + gender + disable * genderTests of Between-Subjects EffectsDependent Variable: playSourceType III Sum of SquaresdfMean SquareFSig.Partial Eta SquaredCorrected Model182.278a536.45611.081.000.506Intercept1276.57111276.571388.025.000.878disable178.579289.28927.140.000.501gender.7631.763.232.632.004disable * gender4.29422.147.653.525.024Error177.656543.290Total1648.00060Corrected Total359.93359a. R Squared =.506 (Adjusted R Squared =.461)EstimatesDependent Variable: playDisability status of the childMeanStd. Error95% Confidence IntervalLower BoundUpper BoundTypically Developing7.050.4066.2377.863Physical Disability3.200.4062.3874.013Mental Retardation3.611.4082.7944.428Pairwise ComparisonsDependent Variable: play(I) Disability status of the child(J) Disability status of the childMean Difference (I-J)Std. ErrorSig.b95% Confidence Interval for DifferencebLower BoundUpper BoundTypically DevelopingPhysical Disability3.850*.574.0002.7005.000Mental Retardation3.439*.575.0002.2864.592Physical DisabilityTypically Developing-3.850*.574.000-5.000-2.700Mental Retardation-.411.575.478-1.564.742Mental RetardationTypically Developing-3.439*.575.000-4.592-2.286Physical Disability.411.575.478-.7421.564Based on estimated marginal means*. The mean difference is significant at the.05 level.b. Adjustment for multiple comparisons: Least Significant Difference (equivalent to no adjustments).6.I would use a three way comparison I would say by looking at the graph and data the data shows some significance and in order to maintain the intergrity of the study and data a three way comparison would be used.(2 pts)7.All homework ?Results sections? should follow the example given in the Course Content document ?Writing Results of Statistical Tests in APA Format? (note: you do not have to refer to a figure). (2 pts)Tests of Between-Subjects EffectsDependent Variable: playSourceType III Sum of SquaresdfMean SquareFSig.Partial Eta SquaredCorrected Model182.278a536.45611.081.000.506Intercept1276.57111276.571388.025.000.878disable178.579289.28927.140.000.501gender.7631.763.232.632.004disable * gender4.29422.147.653.525.024Error177.656543.290Total1648.00060Corrected Total359.93359a. R Squared =.506 (Adjusted R Squared =.461)A 3x3 Anova was conducted to determine the effects of three disability conditions (mental retardation, typical development, and physical disability) and two genders. F (1,54) = 27.140, p<.001 ==.508.Produce a line graph instead of a boxplot for this problem. Follow directions in course SPSS tutorial for setting up a line graph. (2 pts)Part Two:1.A health psychologist is interested in the effects of exercise on stress in people who regularly exercise. Specifically, she is interested in the type of exercise as well as the time of day that the individual exercises. She recruits participants from a local health club who regularly participate in one of three types of exercise: swimming, aerobics, and tennis. She further divides these participants by whether they exercise in the morning or the evening. She then administers a questionnaire to each individual assessing their self-reported stress level. (HIGHER SCORE = HIGHER STRESS).Conduct a two-way ANOVA to analyze these data. Use Tukey?s test in order to conduct any necessary post hoc analyses if there are significant main effects. You do not have to follow up on significant interactions at this time.The steps will be the same as the ones you have been practicing in Part One 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. (2 pts for output, - 1 pt if no post hoc)MorningSwimmingAerobicsTennis1016121691921161817211814Evening141381212171214910121519142.Write an APA-style results section describing the outcome. All homework ?Results sections? should follow the example given in the Course Content document ?Writing Results of Statistical Tests in APA Format? (note: you do not have to refer to a figure). For the two-way ANOVA, be sure to include statistical statements concerning the F ratios and p values for both main effects and the interaction, and interpretation statements about all 3 of these effects. (2 pts)3.Is there a significant interaction effect? (2 pts)4.Based on your results, is there one type of exercise that seems more effective in reducing stress than the others? Remember that higher scores = higher stress. (2 pts)This assignment is due by 11:59 p.m. (ET) on Monday of Module/Week 4.Part Three: Cumulative Homework1. An investigator in child development research is studying the development of object permanence ? the understanding that an object still exists even if its out of sight. She tests three groups of infants ? ten who are 9 months old, 8 who are 12 months old, and 10 who are 15 months old. She presents each of the infants with 10 trials. On each trial, a toy is first shown to the child and then covered with a piece of cloth. The infant demonstrates object permanence if he or she looks for the object when it?s covered. Each infant is given a score for the number of trials (out of 10) on which he or she shows object permanence. Is there a significant difference between the groups on demonstrations of object permanence? Choose the correct test to analyze this question, set up the SPSS file, and run the analysis. Follow the directions under the table below.9 Months8, 3, 4, 6, 5, 4, 9, 2, 0, 112 Months10, 5, 6, 7, 6, 5, 10, 315 Months10, 8, 9, 9, 8, 7, 9, 6, 6, 8a)Paste appropriate SPSS output. (2 pts)b)Paste appropriate SPSS graph. (2 pts)c)Write an APA-style results section describing the outcome. All homework ?Results sections? should follow the example given in the Course Content document ?Writing Results of Statistical Tests in APA Format? (note: you do not have to refer to a figure). (2 pts)2.A researcher wanted to investigate whether there was a difference in satisfaction ratings in an assisted living facility between residents who had a pet with them vs. those who did not have a pet. She administered a scale asking them to rate their overall satisfaction with the facility. Did having a pet have an impact on the residents? overall satisfaction levels? Choose the correct test to analyze this question, set up the SPSS file, and run the analysis. Follow the directions under the table below (on next page).Pet47423546493940465240No Pet302524422825a)Paste appropriate SPSS output. (2 pts)b)Paste appropriate SPSS graph. (2 pts)c)Write an APA-style results section describing the outcome. All homework ?Results sections? should follow the example given in the Course Content document ?Writing Results of Statistical Tests in APA Format? (note: you do not have to refer to a figure). (2 pts)

 

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