test the equivalence of psychological measures and tests for use in other cross-cultural comparative research, and they are important to conduct before cross-cultural comparisons

Method validation studies

Explanation:

Method Validation:

Method validation is a process that evaluates an analytical method for its suitability to the intended purpose of the scientific study. This is an effective tool to assess the quality and reliability the results of a particular study. According to the FDA, method validation procedures must assess the results and conclusions of a scientific study for accuracy, sensitivity, specificity, and reproducibility.The USP also requires analytical method validation on the following measures:Accuracy Precision Specificity Limit of detection Limit of quantitation Linearity and range Ruggedness Robustness

He will get sick right away , he will have low energy , he will loose all his nutrition