What is cross-validation?
A) a repeat of the validation study sometimes using another sample of test takers
B) a validation study whose participants represent all minority groups
C) carrying out the validation in locations throughout a state or country
D) an alternative form of validation that can be accomplished using a statistical formula

Question

Quizplus · Accepted Answer

Cross-validation is a technique used to evaluate the performance of a model by using multiple subsets of data for training and testing. A repeated validation study can be done using a different sample of test takers to ensure the reliability and validity of the findings. Option B refers to sampling techniques, while option C describes a regional validation strategy. Option D is a vague description and not a commonly used term in the context of cross-validation.

What Is Cross-Validation