Table 5.

Production data for collections of objects; question are “How many X?”^a

Trial	Quantity	Results
1	7 mixed treats	Alex says “sih-none”
2	6 mixed treats	(One taken away from set 1) Alex says “sih-sih”
3	8 mixed treats	(Two are added to set 2) Alex says “sih-none”, self-corrects to “eight”
4	7 mixed beans	Alex says “sih-none”
5	7 small beans	Alex says “sih-none”
6	8 mixed treats	Alex says “eight”
7	7 1” blocks	Alex says “eight”
8	8 1” blocks	(One added to set 7) Alex says “eight”
9	6 1” blocks	(Two removed from set 8) Alex says “sih-sih”
10	7 mixed keys	Alex says “sih-sih”
11	6 mixed keys	(One is removed from set 10) Alex says “sih-sih”
12	7 mixed keys	(One is added to set 11) Alex says “sih-none”
13	8 mixed corks	Alex says “eight”
14	7 mixed wools	Alex says “sih-none”
15	8 mixed sticks	Alex says “eight”
16	7 mixed sticks	(One item removed from trial 15 set) Alex says “sih-none”
17	8 mixed wheats	Alex says “eight”
18	7 mixed wheats	(One item removed from trial 17 set) Alex says “eight”
19	7 mixed wheats	(One item added and immediately removed), Alex says “sih-none”
20	7 mixed treats	Alex says “sih-sih”
21	7 mixed treats	(One item removed and immediately added to set 20) Alex says “sih-none”
22	8 mixed wheats	Alex says “sih-none”
23	8 mixed wheats	(One item removed and immediately added to set 22) Alex says “eight”
24	8 mixed beans	Alex says “sih-sih’”
25	8 mixed beans	(Two removed and immediately added to set 24) Alex says “eight”
26	7 mixed spools	7 orange spool, one blue spool, Alex asked “How many orange spool?”; he says “sih-none”
27	8 mixed hearts	Alex says “eight”
28	7 mixed hearts	Alex says “eight”
29	7 mixed hearts	(One item removed and immediately added to set 28) Alex says “sih-none”
30	8 mixed beans	Alex says “eight”
31	8 1” blocks	Alex says “eight”
32	8 mixed treats	Alex says “eight”
33	7 1” blocks	Alex says “sih-none”

^a“Mixed” stimuli were of varying sizes within sets, randomized across sets. Only the 1” blocks and the small beans were sets that consisted of a single sized stimulus.