Practical Steps
Random Numbers (from text)
51321 92246 80088 77074 88722 56736 66164 39528 72484 82474 25573 48545 18619 13674 18611 19241 04235 13574
To sample from 300 participants, move in blocks of 3-digits, selecting each non-repeated number between 1 and 300 (underlined)
219, 224, 088, 256, 186, 191, 192