Dr. Finkel is a social psychologist who studies romantic relationships. Several researchers have found that there is a link between income and marital satisfaction (e.g., Dakin & Wampler, 2012) . Dr. Finkel is curious as to whether there is a causal link between the two variables, such that having a higher income causes higher levels of marital satisfaction. He is confident that he cannot reasonably or ethically manipulate people's income level, so he decides to use a multivariate design. He is also curious as to whether there is a causal link between these two variables or if two other variables (number of arguments and life satisfaction) can explain the relationship. He measures his three variables in a sample of 124 married couples recruited from a local community center. Below are his results.
Given Dr. Finkel's design, which of the following issues is his study best able to address?
Definitions:
Diffusion of Innovation
Diffusion of innovation is the process by which a new idea, product, or behavior is accepted and adopted by the market or a community over time.
Diffusion of Innovation
A theory that describes how, why, and at what rate new ideas and technology spread through cultures and societies, from early adopters to more widespread acceptance.
Diffusion of Innovation
The process by which a new idea, product, or behavior spreads through a population, influencing the adoption rate and market saturation.
Early Adopters
A group within a consumer base that is among the first to acquire and use a new product or technology, often influencing others.
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