AP PSYCHOLOGY

Detailed explanation-1: -Out of the given options, the N-experimental is not a research design.

Detailed explanation-2: -There are four common types of research design-descriptive, correlational, experimental, and diagnostic designs.

Detailed explanation-3: -Creating a research topic explains the type of research (experimental, survey research, correlational, semi-experimental, review) and its sub-type (experimental design, research problem, descriptive case-study).

Detailed explanation-4: -Depending on the overall research questions, research designs in marketing may fall into one of the following three categories: Exploratory research design. Descriptive research design. Causal research design (experiments)