When it comes to measuring training effectiveness, there is no one-size-fits-all solution. The methods and tools you choose depend on the type and scope of your training, the level of evaluation you want to achieve, the resources and time you have available, as well as the data you need to collect and analyze. Surveys and feedback forms are useful for measuring reaction levels, while tests and quizzes are effective for evaluating learning levels. Observations and interviews can help measure behavior levels, and performance indicators and metrics are essential for measuring results levels. All of these methods can be used before, during, or after the training to assess learners' expectations, satisfaction, engagement, motivation, perception of the training, knowledge and skills retention/improvement over time, application of learned material to work environment, as well as impact of training on organizational/business goals.