Research on adaptive leadership has been primarily ______.

A) quantitative
B) survey based
C) anecdotal and observational
D) empirically tested

Anecdotal

pertains to information or evidence based on personal accounts, observations, or non-scientific observations, rather than hard data or research.

Empirically Tested

Examined or verified through observation and experiment rather than theory or pure logic.

Quantitative

Pertaining to or measurable by the quantity of something rather than its quality.