How to Study for College with Notes

College throws an enormous amount of information at you. Lectures, readings, labs, discussion sections — the volume can be overwhelming. And most students respond by doing the least effective thing possible: re-reading their notes.

Re-reading feels productive. You see familiar material and think "yeah, I know this." But when the exam comes, your mind goes blank. Sound familiar?

The problem isn't your notes. It's how you study them.

The Science: Why Re-reading Doesn't Work

Re-reading creates an illusion of competence. Psychologists call it the "fluency effect" — when something looks familiar, your brain mistakes recognition for understanding. You can recognize an answer on a multiple-choice test, but you can't generate it from memory.

The methods that actually work are:

• Active recall — forcing yourself to retrieve information from memory without looking at your notes
• Spaced repetition — reviewing material at increasingly spaced intervals over time
• Interleaving — mixing different topics together during study sessions

These techniques feel harder in the moment — which is precisely why they work. The effort of retrieval strengthens the memory trace.

The System: Notes → Flashcards → Cathartic

Here's a practical system that applies these principles using your existing lecture notes and Cathartic:

Step 1: Take Smart Notes During Lectures

Don't transcribe everything the professor says. Instead, focus on capturing:

• Key terms and definitions — the vocabulary of the subject
• Core concepts and principles — the "big ideas"
• Relationships — how concepts connect to each other
• Examples — concrete instances that illustrate abstract ideas
• Things the professor emphasizes — if they repeat it or say "this is important," write it down

Step 2: Process Your Notes the Same Day

This is the step most students skip — and it's the most important one. Within 24 hours of the lecture:

1. Read through your notes and fill in any gaps while it's fresh
2. Identify every "testable" piece of information — definitions, dates, formulas, processes, cause-and-effect relationships
3. Turn each one into a question-answer pair

For example, from a biology lecture:

Step 3: Create Your TSV File

Convert your question-answer pairs into a TSV file. You can do this in a spreadsheet (Google Sheets, Excel) or a plain text editor. One line per card, question and answer separated by a tab.

What is mitosis?	Cell division producing two identical daughter cells
Name the 4 phases of mitosis	Prophase, Metaphase, Anaphase, Telophase
What happens during metaphase?	Chromosomes align at the cell's equator
Difference between mitosis and meiosis?	Mitosis: 2 identical cells. Meiosis: 4 genetically different cells (gametes)
What is apoptosis?	Programmed cell death — controlled self-destruction

Save the file with a descriptive name like bio101-week3-cell-division.tsv.

Step 4: Load and Play in Cathartic

Import the TSV into Cathartic (see the Datasets page for detailed instructions). Now your study session becomes a tower defense game.

The beauty of this approach:

• You're using active recall — every flashcard forces you to retrieve the answer
• Cards you get wrong appear more often — spaced repetition in action
• The game context keeps you engaged far longer than staring at a notebook
• You can load multiple week's datasets simultaneously for interleaving

Step 5: Build Your Deck Over the Semester

After each lecture, add new cards. By exam time, you'll have a comprehensive deck that covers the entire course — and you'll have been reviewing it incrementally the whole semester instead of cramming the night before.

Tips for Different Subjects

Sciences

• Focus on processes and mechanisms — "What causes X?" / "What happens when Y?"
• Include diagram labels — "What structure is at position X?"
• Create cards for formulas — "What is the formula for [concept]?"

Humanities

• Focus on dates and events — "When did X happen?" / "What caused X?"
• Include key arguments and thinkers — "What was [philosopher]'s main argument about X?"
• Create cards for vocabulary — specialized terms and their definitions

Math and Engineering

• Flash cards work best for definitions, theorems, and formulas
• Pair with practice problems (flashcards can't replace doing math)
• Create "when to use X" cards — "When should you use integration by parts?"

Languages

• Classic vocabulary flashcards are perfect for this format
• Include example sentences on the answer side for context
• Check out our article on making language learning fun

The Exam Week Advantage

Students who follow this system have a massive advantage come exam week. While everyone else is doing their first read-through of three months of notes, you've been reviewing actively the entire semester. Your exam "studying" is just a few extra Cathartic sessions to polish the material you already know.

The semester-long habit of converting notes to flashcards and reviewing through gameplay means you never have to cram. You've already done the work — you just didn't notice because it felt like playing a game.

Getting Started

You don't need to overhaul your entire system overnight. Start small:

1. Pick one class this week
2. After the next lecture, spend 15 minutes turning your notes into question-answer pairs
3. Create a TSV and load it into Cathartic
4. Play a few rounds and see how many you already know

Once you see how much more you remember after just a few game sessions compared to re-reading, you'll want to do this for every class.