Here's how it works:
Countable Noun:
* When referring to a specific period of focused learning or research, "study" is countable.
* Example: "I'm doing a study on the impact of social media."
* It can also be countable when referring to a room or space dedicated to learning.
* Example: "He has a small study in his house where he reads."
Uncountable Noun:
* When referring to the act of learning or the process of academic research in general, "study" becomes uncountable.
* Example: "Study is important for success."
* It can also be uncountable when referring to the collection of academic works in a particular field.
* Example: "The study of ancient civilizations is fascinating."
In summary:
To determine whether "study" is countable or uncountable, consider the context and its meaning. If it refers to a specific instance of learning or a dedicated space, it's countable. If it refers to the general act of learning or a field of academic inquiry, it's uncountable.