Rubrics
Rubric for Research Paper - worth 75% of AP Score
Rubric for Presentation and Oral Defense - worth 25% of AP Score
Sample Papers
College Board Samples - sorted by year. Not all use the same rubric for scoring
College Board Samples - 2022
Sample Size
Sample Size Calculator for Student t-Tests - Has the ability to calculate sample size needed if you a re planning on using a t-test to analyze your data
Methods of Survey Sampling - Includes a formula for calculating sample size when using surveys to collect data. Also includes a brief descrption.
Experimental Design and Sample Size Determination - This was written for an audience doing animal research, but it has a nice, concise description of the best ways to set up an experimental research design and avoid sampling bias.
Five Steps for Calculating Sample Size