As this strategy does not factor in how variables influence each other, it can only provide a description of the relationship between the two variables, rather than an explanation.

Disadvantages of Bivariate Research Strategies

A hallowed method, going all the way back to Pavlov and Wundt, in which only two variables are studied at once. For this method, the investigator manipulates an independent variable and then observes its effects on the dependent variable. 

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Relational research strategies which are historically significant in experimental psychology. 
- Bivariate 
- Multivariate

Traditional Experimental Strategies

Trull , T. J., &amp; Prinstein , M. J. (2013). Research Methods in Clinical Psychology . In Clinical Psychology (Eighth, pp. 93–124). Textbook, Wadsworth Cengage Learning . 

Clinical Psychology Eighth Edition 

Bivariate Research Strategy

For this method, researchers focus on naturally occurring phenomena and deal with numerous variables simultaneously. 

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