Statistics

STATISTICS REVIEW REPORTTASKFind two scholarly psychology research articles and create verbally one page for each (single space ) about how was utilise in the article to collect data or reach resultsARTICLE 1Title : Academic Performance , Popularity , and Depression Predict Adolescent eye Use Authors : Diego , Miguel A , Field , Tiffany M Sanders , Christopher EJournal : Adolescence 2003 Vol . 38 anaesthetize 149 : 35The results of this study supported previous findings indicating that academic military operation , popularity , and embossment ar strong predictors of stripling spirit utilization . eighty-nine high rail seniors from a suburban Florida high school were administered a questionnaire which measurable both risk factors and protective factors , those that rent been found to be strong predictors of adolescent substance useThe students were presumptuousness a 181-item Likert-type questionnaire to access behavioral and psychological aspects of adolescent tone . The students rated their level of substance use on a 4- level off outstrip where they were asked how often they smoked hindquarterss and consumed inebriantic drink , marijuana and cocaine in the past (1 never to 4 regularly . Popularity was in any case billd on a 4-point Likert scale . School grade point average (grade point average ) is taken as the index of academic performance . Center for Epidemiological Studies Depression Scale (CES-D ) was utilize to measure level of stampBased on previous studies , the authors expected that adolescent substance use would be positively related to depression and negatively related to academic performance and popularity . Alcohol use and cigarette smoking often precede marijuana use , and because marijuana use in turn often precedes hard medicate use the researchers studied the relations betwixt cigarette , alcohol , marijuana , and cocaine . Hence statistical analysis has been tell in this directionMultiple Regression Analyses was used by the authors to analyze and let off the results of this study . The relation between the predictor variables that is cigarette , alcohol , marijuana , and cocaine use has been assessed by conducting four spot sets of regression analyses as compared with substance use .

In extension to this the authors did further analyses between these four factors themselves as dependent variables A multiple regression analysis conducted with cigarette use as the dependent variable revealed that GPA , popularity at school , and CES-D lashings accounted for a significant portion of the variance in adolescent cigarette smokingThe authors interpreted this result saying that adolescents with low GPA and high self-ratings of popularity and depression were more likely to smoke cigarettes . The authors used the same statistical method of multiple regressions to study the interrelationships between alcohol use , marijuana use and cocaine use . The amount of variance found is taken as the sales booth for interpretation . Thus it was deduced that aadolescents with more substance use are found to hand over lower scores on various(a) dimensions of psychological adjustment and are more likely to have been maladjusted as children . Substance use in adolescence has also been linked with problems at school , psychological distress , depression truancy , and delinquencyThis article has employed a single statistical technique that yields several results . The authors have thoroughly analyzed the linking factors of dependency taking...If you want to get a full essay, order it on our website: Orderessay

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