원리

The process of selecting a representative group from a population to estimate characteristics of the whole population. It is a fundamental technique in statistics and research.

The ability of a system or organism to recover quickly from difficulties; resilience. It also refers to the physical property of returning to an original shape after deformation.

To manifest or appear as a visible form or quality. In science, it often refers to the expression of genes or symptoms.

To remove impurities or unwanted elements from a substance, or to refine and polish ideas or data to make them clearer and more professional.

A sign or warning that something (usually bad) is about to happen; a precursor or omen.

The act of returning something to its original state or simplifying a complex idea into its basic elements; in science, it also refers to chemical reduction.

Describing a process or change that cannot be reversed or returned to its original state. Often used in environmental science and medicine.

To be changeable, variable, or unstable. Not fixed in nature or state.

A sign or indication that something is happening or about to happen, especially something bad like an illness or economic crisis.

The scientific study of the human mind and its functions, especially those affecting behavior in a given context.