30 greebles were employed in the initial experiment. Each greeble was assigned a meaningless name, each starting with a unique letter. The greebles were viewed on Macintosh computer monitors of 72 pixels per inch.
Thirty grunge elements were utilized in the initial trial. Each element was assigned a nonsensical label, each beginning with a distinct letter. The elements were observed on Macintosh computer monitors of 72 pixels per inch.