When a Change in the Dependent Variable Could Be Due

question 79

Multiple Choice

When a change in the dependent variable could be due to changes in how the dependent variable was measured, _________ is a threat to internal validity.

• A)attrition
• B)testing
• C)diffusion of treatment
• D)instrumentation

Comprehend the significance and application of the postbox rule in contract law.

Recognize the implications of specific contract law cases and their contributions to the understanding of contract principles.

Differentiate between types of promises and agreements in the context of contractual obligation.

Understand the role of electronic communications in contract law and the validity of electronic contracts.