A
Aether theory - EW Adopt!
Alchemical theory - EX Adopt!
Alcmaeon's theory of sensation - EX Adopt!
Arboreal theory - NT
Attachment theory - NT
Attribution theory - EN Adopt!
B
Bicameral Mind Theory - EN Adopt!
Big bang theory - LC
Buffer theory - VU
C
Caloric theory - EX Adopt!
Cell theory - LC
Chou's distorted key theory for peptide drugs - NT
Climate change theory - NT
Collective action theory - LC
Collision theory - VU
Color theory - LC
Constructivist theory - VU
Cosmic pluralism - LC
Critical pedagogy - EN Adopt!
Cultural theory of risk - NT
Culture theory - LC
D
Death and adjustment hypotheses - VU
Democratic peace theory - VU
Dynamo theory - NT
E
Ecosocial theory - NT
Elite theory - VU
Empedocles' theory of poroi - EW Adopt!
Emission theory - EX Adopt!
Engaged Theory - LC
Excitation-transfer theory - NT
Expanding Earth theory - EX Adopt!
Extreme value theory - LC
F
Feminist political theory - VU
Flat earth theory - EW Adopt!
Freudian theory - VU
Functionalist theory - NT
G
Gateway drug theory - EN Adopt!
Gender schema theory - EN Adopt!
General relativity - NT
Geocentrism - EX Adopt!
Germ theory - LC
Theory of gravity - LC
H
Hegemonic stability theory - NT
Heliocentrism - LC
Hidden variable theory - VU
Hollow Earth theory - EW Adopt!
Humorism - EX Adopt!
I
Theories of Illuminati - EN Adopt!
Theory of impetus - LC
Incrementalism - NT
Integrated threat theory - NT
Intergovernmentalism - VU
Internalization Theory - VU
Intersectional theory - NT
Intrinsic theory of value - EN Adopt!
J
Japanese-Jewish common ancestry theory - EW Adopt!
K
Kinetic theory - NT
L
Labor theory of value - VU
Le Sage's theory of gravitation - EW Adopt!
Liberal theory - NT
Liquid Modernity - NT
M
M-theory - NT
Macromutation - VU
Marxist theory - VU
Media system dependency theory - VU
Mercantile theory - CR Adopt!
Miasma theory - EX Adopt!
Molecular orbital theory - VU
Moon landing conspiracy theory - EN Adopt!
Theory of multiple intelligences - CR Adopt!
Multiverse theory - NT
Music theory - LC
N
Nazi gun control theory - CR Adopt!
Nemesis (hypothetical star) - CR Adopt!
Nine-eleven conspiracy theories - EN Adopt!
O
Obstruction theory - LC
P
Phlogiston theory - EX Adopt!
Pluralist theory - VU
Progressive education theory - NT
Pythagorean theory - LC
Q
Quantum theory - NT
Query theory - NT
R
Race of the future - EN Adopt!
Rational choice theory - NT
Realist theory - VU
Recapitulation theory - EW Adopt!
Regenerative economic theory - LC
S
Scalar expectancy theory - NT
Skopos theory - LC
Theory of solar cells - LC
Special theory of relativity - NT
Spiral of silence - VU
Steady state theory - CR Adopt!
Stoned ape theory - EN Adopt!
String Theory - VU
Structuralist theory of mythology - VU
Sulphur-mercury theory - EX Adopt!
T
Temporal theory (hearing) - LC
Theory of everything - VU
Toothpaste tube theory - LC
Transition state theory - VU
U
V
Valence bond theory - VU
W
Wandering womb - EX Adopt!
World polity theory - VU
X
Y
Z
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Jack Jensen