NSF Study 2 - Question Sequence Generator

Overview

The generator creates sequences with the following characteristics:

• Randomly selects and organizes 24 learning standards (also referred to as learning objectives/LOs) into 4 groups of 6
• Each group is assigned one of four conditions combining spacing (wide/narrow) and variability (high/low)
• For each standard, questions are organized into:
  • Pretest (2 questions)
  • Learning phase (3 blocks of 4 questions each)
  • Posttest (2 questions)

The above is based on the following pseudocode from Phil Pavlik.

Getting Started

Prerequisites

• Node.js >= 20.0.0
• npm or yarn

Installation

npm install

Scripts

• Generate sequences and assignments:

npm run generate

• Run tests:

npm test

Code Structure

• nsfStudy2/generateSequence.ts - Generates the initial question sequences for each learning objective
• nsfStudy2/generateStudentAssignment.ts - Creates daily student assignments based on spacing conditions
• nsfStudy2/parseQuestions.ts - Handles question data parsing
• nsfStudy2/nsfStudy2.types.ts - TypeScript type definitions

Output

The generator produces two JSON files in the data directory:

1. Generated sequences for each learning objective
2. Daily student assignments organized by:
   • Pretest
   • Learning phase (W1D1 through W6D2)
   • Posttest

Each assignment contains shuffled questions appropriate for the student's assigned conditions. You can run the generate script to generate new sequences and assignments for a new example student. Files with the same timestamp represent file for the same student.