Answer:
c) validity
Explanation:
Validity: In psychology, the term validity refers to the tendency of a test to measure what the test is supposed or claims to measure. It is the judgement which is based on different types of evidence.
In other words, it is the extent to which a particular conclusion, concept, or measurement is well-defined and responds accurately or precisely in the real world.
The validity of an experiment can be increased by improving measurement techniques, controlling different variables, adding placebo or control groups, etc.
In the question above, Gunter's statement is equivalent to saying that the WAIS lacks the validity.
They met for a Berlin conference
The output is the finished good or service, and inputs are raw materials, labor, utilities, liscensing fees, or other goods. These inputs are also known as factors of production. If the price of inputs goes up, the cost of producing the good increases