Exclusion criteria
Characteristics that disqualify individuals from participating in a study to ensure safety, consistency, or scientific validity.
Characteristics that disqualify individuals from participating in a study to ensure safety, consistency, or scientific validity.
Laboratory-based research that explores biological, chemical, or physical processes, often using cells, tissues, or animal models.
The group in a study that receives the treatment or intervention being tested.
Suggestions for how additional studies can build on current findings, explore unanswered questions, or address limitations.
A testable prediction or educated guess about the relationship between two or more variables.
The specific characteristics that participants must have to be eligible for a study (e.g., age, diagnosis, location).
The factor in an experiment that is intentionally changed or manipulated to observe its effect on another variable.
An action or treatment introduced in a study to assess its effect on participants or outcomes (e.g., therapy, medication, education program).