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PSYC 355 SPSS Cumulative Assessment Assignment




Question;SPSS CUMULATIVE ASSESSMENT INSTRUCTIONSThe following research questions can be answered using 1 of the 5 tests you have learned so far:single-sample t-test, paired-samples t-test, independent-samples t-test, one-way ANOVA, or twoway ANOVA. Use the information in the tables to construct your SPSS data file, just as you havebeen doing in Part 2 of each homework assignment. There is only 1 correct choice of analysisfor each question. The assessment is open-book/open-notes.For each problem involving a test of significance, your answer must include: A) the output andan appropriate graph from SPSS, B) a statistical statement (i.e., t(19) = 1.79, p =.049), and C) asentence summarizing the results (i.e., There was a significant difference between the twogroups on the variable or There was no significant difference).For ANOVA problems: Report statistical findings and make statements for all main effects andinteraction effects. Use the Fisher LSD test for any analyses requiring post hoc tests.Submit this assignment by 11:59 p.m. (ET) on Monday of Module/Week 5.1. An entrepreneur claims that he has developed a program that can increase the IQ ofadolescent students. To test this claim, a psychologist administers the WISC (an IQ score forchildren) to a group of students before and after completing the training program. Analyzethe data to test the entrepreneurs claim. (16 pts)Student IQbefore110328539441065746987838939103109611109121151386141221511216126171181872IQ after99899010874998099107931111178312212013111674Page 1 of 3PSYC 3552. The staff at a local psychiatric facility wants to determine whether implementing a NoSmoking rule significantly decreases the length of stay of inpatients. In order to test thisclaim, they compared the length of stay of patients admitted before a No Smoking rule wasimplemented to another group of patients admitted after the No Smoking rule wasimplemented. Evaluate the claim that the average length of stay was significantly shorter forthe group admitted after the facility implemented the rule. (16 pts)Smoking Allowed875152125884613410148No Smoking541087485223426473. Depressed patients are randomly assigned to 1 of 3 therapists. At the end of 3 months, eachpatient completes a standardized test of depression (higher scores indicate higher level ofdepression). The patients scores are shown below. Analyze the data to determine howeffective these 3 therapists are at treating depression (assume that before the treatment, all 3groups of patients had the same average depression score). (16 pts)Therapist135373537363339Therapist 2 Therapist 33637373139353229322528333032Page 2 of 3PSYC 3554. In light of all the weight loss misinformation and fad diets, a medical researcher determinesto evaluate several of them. She randomly assigns volunteers (identified as clinically obese)to 1 of 4 diets. She is a firm believer in the benefits of exercise, so she also assigns them toeither the exercise or no exercise group. After 3 months, she compares the pounds lost foreach condition. Was there a significant effect of the diets and exercise on weight loss? (16pts)Low CarbExerciseNoExercise2628302520152018SouthBeach28221818121515Adkins252124291719282521WeightWatchers2828302526342530285. Infants exposed to cocaine in their mothers womb are thought to be at high risk for majorbirth defects. Thirteen infants born to mothers who are addicted to cocaine are administeredthe Brazelton Neonatal Assessment 1 day after birth. For these babies, their scores were asfollows:Brazelton Scores6.254.508.505.503.007.907.505.306.807.505.257.456.80For the general population, babies normally score an 8.5. Is this group of babies significantlylower than normal? (16 pts)


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