Which of the following is a theoretical perspective on international relations that builds on a foundation of Marxist theory and stresses the internationalization of the exploitative economic relations between classes?

What is usually the major contributor to error variance?

A) group size B) unreliable measurement C) individual differences D) high means

The concept of systems allows us to do ALL BUT WHICH of the following?

A. Precisely describe reality B. Differentiate between regional subsystems C. Identify geographic boundaries of interactions D. Analyze different entities and their impact E. Compare types of interactions between actors