Answer:
Meta-analysis
Explanation:
Meta-analysis is a survey in which the result of the studies are included in the review are statistically similar and combined and analyzed if the study is the same. It is a set of technologies that are used with several the research report to make a single and more precise estimate of the efforts of a study. The main aim of the meta-analysis is to increase the statistical power to deal with the controversy with when the subject study disagrees, to improve estimate size of effects and to try to answer the new question that is not posted previously in the study. But there should be a valid reason for combined the studies. there are several advantages of meta-analysis:
It allows investigators to pool data from many small trials and allow themselves for the secure conclusion.
b) criterion validity
c) discriminant validity
d) content validity
Answer:
b) criterion validity
Explanation:
Criterion validity: In research methods & statistics, the term "criterion validity" is also referred as "concrete validity" and is described as the degree to which a particular measure is associated with a particular outcome. There are mainly two distinct types of criterion validity including predictive as well as concurrent validity.
Criterion validity is being helpful for the tests or study that measures behavior in any given scenario.
In the question above, the given statement signifies the "criterion validity".
Answer:
communism
Explanation: