Exam 5: Alternatives to Experimentation: Correlational and Quasi-Experimental Designs

Correlational Designs A shotgun approach, while not elegant, has heuristic value.This means that This strategy

Correlational Designs Correlational studies can be used to

Causal Modeling Serbin and colleagues (1990) studied differences in boys' and girls' Academic performance in elementary school.Using ____, they found that Girls' academic performance was better explained by social responsiveness And willingness to follow directions while the boys' performance was better Predicted by their visuospatial skills.

Correlational Designs Researchers can use ____ to estimate the score on one variable when We only know their score on a second variable.

Correlational Designs Which of these calculates a simple correlation between pairs of scores?

Correlational Designs Which relationship best illustrates a negative correlation?

Correlational Designs If there is a +.20 correlation between SAT scores and high school GPA, SAT Scores account for ___% of the fluctuation in GPA.

Correlational Designs J.D.computed a Pearson Product Moment Correlation Coefficient from Sample data and found that r = + 1.8.What should we conclude from this Result?

Correlational Designs Which of the following does not describe a correlational study?

Correlational Designs Which of these can we use to determine whether there is a relationship Among three or more measured behaviors?

Quasi-Experimental Designs To determine whether drinking wine with dinner can reduce blood cholesterol Levels, a researcher measured cholesterol in a group of middle-aged men. She compared cholesterol levels during 2 months in which they abstained From alcohol and the next 2 months in which they drank 2 ounces of red Wine with dinner.Which research design did she use?

Quasi-Experimental Designs Which design's internal validity is most threatened by the possibility of Practice effects?

Introduction Both correlational designs and quasi-experiments are often higher in ____ Than laboratory experiments.

Quasi-Experimental Designs Ex post facto studies are generally ____ in the degree of manipulation of antecedent conditions and ____ in the degree of imposition of units.

Causal Modeling Researchers use cross-lagged panel designs and path analysis, which are ____ procedures, in causal modeling.

Quasi-Experimental Designs Longitudinal and cross-sectional designs tend to be high in

Correlational Designs The ____ of a correlation coefficient indexes its strength.

Correlational Designs Chaplin et al found that firmness of handshake and positivity of first Impressions were correlated r = .56.Which statistic estimates the amount of Variability in first impressions ratings that can be accounted for by handshake Firmness?

Correlational Designs If depression increases alcohol consumption and alcohol consumption Worsens depression, we could not infer a causal relationship due to the ____ problem.

Quasi-Experimental Designs Select the quasi-experimental design in which the same subjects are Measured at different points in time to see if their behavior has changed.