theories

As nouns the difference between theories and approaches

is that theories is plural of lang=en while approaches is plural of lang=en.

As a verb approaches is

third-person singular of approach.

As nouns the difference between theories and hypothesis

is that theories is plural of lang=en while hypothesis is used loosely, a tentative conjecture explaining an observation, phenomenon or scientific problem that can be tested by further observation, investigation and/or experimentation. As a scientific term of art, see the attached quotation. Compare to theory, and quotation given there.

As nouns the difference between theories and experiments

is that theories is while experiments is .

As a verb experiments is

(experiment).

As nouns the difference between theories and methods

is that theories is plural of lang=en while methods is plural of lang=en.

As nouns the difference between theories and concepts

is that theories is plural of lang=en while concepts is plural of lang=en.

As a noun theories

is .

As a verb objectives is

.

As nouns the difference between notions and theories

is that notions is while theories is .

As nouns the difference between ideas and theories

is that ideas is while theories is .

As nouns the difference between doctrines and theories

is that doctrines is while theories is .

As nouns the difference between theories and theorics

is that theories is while theorics is .