Table 1.

Passive human test QBA dimensions, showing observer terms and significance related to diet and period.

GPA dimension (variance explained)	Low value terms r < -0.5	High value terms r > 0.5	Significance related to diet	Significance related to experimental period
1 (56%)	Nervous (6), Tense (7), Unsure (6), Stressed (5), Anxious (5), Alert (4), Excitable (4), Scared (4), Worried (3), Spooked (3), Flighty (3), Jumpy (2), On-Edge (2), Restless (2), Shy (2), Energetic (2), Agitated, Confused, Annoyed, Uptight, Terrified, Upset, Panicked, Frightened, Agitated, Skittish, Cautious, Dominant, Sharp, Skatty, Afraid, Aware	Relaxed (10), Laid-back (8), Settled (7), Calm (6), Happy (6), Easy-going (2), Content (2), Chilled (2), Gentle, Comfortable, Unphased, Bored, Quiet, Carefree	p < 0.01	n.s.
2 (15.5%)	Wary (4), Scared (2), Hesitant (2), Nervous (2), Unsure (2), Shy (2), Anxious, Cautious, Apprehensive, Interactive	Bold (8), Confident (6), Brave (4), Curious (2), Playful (3), Inquisitive, Nosey, Excited, Interested, Determined	n.s.	n.s.

Included are observer terms correlating strongly with those dimensions at the negative end (r < −0.5) and positive end (r > 0.5). Values in brackets following terms indicate the number of observers using that term if greater than 1. The terms in bold were used to label the dimensions.