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{{short description|A representationRepresentation of concepts and relationships between concepts}}
A '''nomological network''' (or '''nomological net'''<ref>{{Citation|lastlast1=Preckel|firstfirst1=Franzis|title=Nomological Nets|date=2017|encyclopedia=Encyclopedia of Personality and Individual Differences|pages=1–4|editor-last=Zeigler-Hill|editor-first=Virgil|publisher=Springer International Publishing|language=en|doi=10.1007/978-3-319-28099-8_1334-1|isbn=9783319280998|last2=Brunner|first2=Martin|editor2-last=Shackelford|editor2-first=Todd K.}}</ref>) is a representation of the [[concept]]s ([[construct (philosophy of science)|construct]]s) of interest in a study, their observable manifestations, and the interrelationships between these. The term "[[nomological]]" derives from the [[Greek language|Greek]], meaning "lawful", or in [[philosophy of science]] terms, "law-like". It was [[Lee J. Cronbach|Cronbach]] and [[Paul E. Meehl|Meehl]]'s view of [[construct validity]] that in order to provide [[Scientific method|evidence]] that a [[Measurement|measure]] has construct validity, a nomological network must be developed for its measure. <ref name="Cronbach"> {{cite journal |lastlast1=Cronbach |firstfirst1=L.J. |last2= Meehl|first2= P.E. |year= 1955 |title = Construct validity in psychological tests |journal=Psychological Bulletin |volume=52 |pages=281–302 |doi=10.1037/h0040957 |pmid=13245896 |issue=4|hdl=11299/184279 |s2cid=5312179 |hdl-access=free }} </ref>
The necessary elements of a nomological network are:
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* Empirical linkages represent [[hypothesis|hypotheses]] before [[data]] collection, empirical [[generalization]]s after data collection.
Validity evidence based on '''nomological validity''' is a general form of [[construct validity]]. It is the degree to which a construct behaves as it should within a system of related constructs (the nomological network).<ref name="Liu"> {{cite journal |lastlast1=Liu |firstfirst1=Liping |last2= Li |first2= Chan |last3= Zhu |first3=Dan |year= 2012 |title = A New Approach to Testing Nomological Validity and Its Application to a Second-Order Measurement Model of Trust |journal=Journal of the Association for Information Systems |volume=13 |issue=12 |pages=950–975 |doi=10.17705/1jais.00320 |doi-access=free }} </ref>
Nomological networks are used in theory development and use a [[modernist]]{{clarify|date=December 2020}} approach.<ref>Alavi, M, Archibald, M., McMaster, R. Lopez, V. and Cleary, M. (2018) Aligning theory and methodology in mixed methods Research: Before Design Theoretical Placement ''International Journal of Social Research Methodology'' 21:5, 527-540</ref>
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* [[Coherentism]]
* [[Nomology]]
* [[Presence]]
== References ==
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