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

Correlational Designs The Pearson Product Moment Correlation Coefficient ranges between

Correlational Designs The coefficient of determination is represented by the symbol

Correlational Designs ____ estimates the amount of variability in scores on one variable that Can be explained by another variable.

Causal Modeling Researchers measured body mass index and collected exercise diaries from 250 college students during their freshman and senior years.They Calculated correlations between these variables and found that the largest Diagonal correlation was + .45.Which design did they use?

Quasi-Experimental Designs Longitudinal designs can be challenging due to

Quasi-Experimental Designs A researcher wants to study change in student attitudes towards body Piercing across their 4 years of high school.Which quasi-experimental Design should she use?

Correlational Designs The relationship between ____ best illustrates a positive correlation.

Correlational Designs Researchers can use ____ to predict hyperactivity scores for children Diagnosed with attention deficit disorder if they know their daily consumption Of both refined sugar and artificial food coloring.

Correlational Designs Conway and Rubin (1991) measured responses to 27 statements about Reasons for watching television and identified six different groups of Statements that were strongly intercorrelated.Which statistical procedure did They use?

Introduction Correlational studies are generally ____ in the degree of manipulation of antecedent conditions and ____ in the degree of imposition of units.

Introduction Both correlational and quasi-experimental designs tend to be high in

Causal Modeling Researchers who use path analysis to model causal relationships achieve low Internal validity because

Quasi-Experimental Designs In a pretest/posttest design, participants may improve with repeated testing Due to increased familiarity with a test.This problem is called

Correlational Designs When the correlation between X and Y is ____, prediction using a Regression equation is most accurate.

Quasi-Experimental Designs Which study would a researcher use to compare the birth weights of children Whose mothers chose to smoke or abstain from smoking during pregnancy?

Quasi-Experimental Designs The Solomon 4-group design is an extension of the ____ design.

Correlational Designs A beta weight reported in multiple regression analysis refers to the

Causal Modeling In a cross-lagged panel design, researchers focus on the ____ to identify A possible causal path.

Introduction How do quasi-experiments compare with laboratory experiments?

Introduction Which design do researchers use to study a possible causal relationship Between preexisting antecedent conditions (e.g., smoking) and behavioral Effects (e.g., lung cancer) in human subjects?