Aside from Congress and the Presidency, from where do many media outlets gain the subjects of their reporting?

The overall effect size computed in a meta-analysis indicates numerically

A) how strongly the independent variable affected the dependent variable. B) how strongly the dependent variable affected the independent variable. C) the strength of the correlation between studies. D) the likelihood that adequate controls were used.

The variables in a research project should be

A) clearly identified and operationally defined. B) randomly assigned to conditions. C) randomly selected from the population of variables. D) double checked with appropriate statistical procedures.