​The cause of a disease or condition is most readily suggested by

A) ​case control studies.
B) ​experimental designs.
C) ​correlational studies.
D) ​a single-participant design.

Case Control Studies

Research design that compares individuals with a specific condition or disease (cases) to individuals without the condition (controls), to identify potential causes or risk factors.

Experimental Designs

Refers to a systematic method of conducting research where variables are manipulated and controlled to determine their effect on certain outcomes.