Use the figure below to answer the following questions. 
Figure 9.2.3
-Refer to Figure 9.2.3.Rashid buys only books and CDs.The figure shows his preferences.When Rashid chooses the consumption point of 3 books and 2 CDs,his marginal rate of substitution is
Definitions:
Conceptual Replication
The repetition of a study with different operationalizations of the crucial variables but yielding similar results.
Good Theory
A theory characterized by qualities such as explanatory power, predictiveness, simplicity, and falsifiability.
Social Psychology
Examining the impact that the concrete, envisioned, or hinted presence of others has on a person's cognitive functions, emotional states, and conduct.
Correlation
A measure that indicates the extent to which two or more variables fluctuate together, but not necessarily causation.
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