Final answer:
The statement in question is false; difficult tasks often provide valuable learning experiences that develop skills applicable to real-world scenarios and foster cognitive flexibility.
Step-by-step explanation:
The statement 'Some required but difficult tasks are not worth learning how to do well' is false. While it is true that some tasks may be challenging, the effort to learn how to do them well can be invaluable.
For example, in various subjects and fields, problems and tasks may require thoughtful consideration and estimation. Such skills are highly beneficial, as they can be applied to personalized situations, which is a necessary component of learning and real-world application.
Moreover, learning complex tasks, like learning a foreign language or engaging in scientific experiments, helps in developing a versatile skill set. In science, for instance, experiments often need to be carried out with attention to detail, such as ensuring adequate sample sizes, which is an example of a difficult but worthwhile task to master.
Additionally, confronting tasks that are not straightforward helps build the cognitive flexibility necessary to navigate the uncertainty of real-world problems.