Question

what methods are used to evaluate how well a study supports each type of claim? the four claims

Answer 1

valudity method is  used to evaluate how well a study supports each type of claim. Validity is in research study is measure that things which claim to measure . So each type of claim can studied through method of validity for evaluation. Validity is possing Question that are you measure what is intend to measure . Validity means Research must be unbiased and free from any error .

Four claims :

1. Internal validity :

Internal validity is claim to measure casual - effect relationship of two variable.in the study , it is manipulate independent variable to know effect of dependent variable.

2. External validity measure wheather same result can be seen in another situation also .it is generalization of the study .

3 .construct validity is certain degree is measure what is claim to measure . It is constructed scale to measure human intelligence or other things

Content validity:

When a test is content validity , the item if the test represent the entire range of possible items that test shohsh cover .achivement test is an example.

These methods extensively hepls to evaluate how a study supports in each type of claim. Because claim has made in different propective . Therefore , diffrent test of validity should used on the basis of claim.