generalizability
UK[ˌdʒen(ə)rəˌlaɪzəˈbɪlɪti]US[ˌdʒen(ə)rəˌlaɪzəˈbɪlɪti]
n
The quality of being able to be applied or extended beyond the specific case or data from which something was derived.
n
The extent to which the findings of a study can be legitimately applied to other contexts or populations.
Morpheme Breakdown
general
iz
ability
general
broad class
iz
make
ability
capacity
Etymology
The word's construction follows a clear logical chain from concrete origins to an abstract, specialized concept. The Latin root genus (birth, race, kind) gave rise to generalis, meaning pertaining to a whole kind or class. The suffix -ize was appended to form the verb "generalize," meaning to make something applicable to a general class. Finally, the noun-forming suffix -ability was added, a common pattern in English for creating abstract nouns from verbs (e.g., readability, stability). Thus, the literal "capacity to be made general" evolved into the modern methodological term denoting the extent to which research conclusions can be extended from a specific sample to a broader population.
Analysis
Structure: general (broad class) + iz (make) + ability (capacity)
general: From Latin generalis (pertaining to a whole class or kind). Functional role: Adjective root conveying the core concept of broad applicability.
iz: A variant of the verb-forming suffix -ize, from Greek -izein via Latin -izare. Functional role: Derivational suffix meaning "to make, to render, or to practice."
ability: From Latin -abilitas, a compound suffix formed from -abilis (able to be) + -itas (state/condition). Functional role: Noun-forming suffix indicating the state, quality, or capacity of being able to undergo the action of the verb stem.
Examples
The small sample size raised serious doubts about the study's generalizability.
Researchers strive to improve the generalizability of their experimental results through rigorous design.
A key criticism of the case study was its lack of statistical generalizability.