Trial Outcomes & Findings for What Makes a Cup, a Cup? Generalizing Novel Words (NCT NCT05443399)

NCT ID: NCT05443399

Last Updated: 2026-08-19

Results Overview

Accuracy on selecting the target item on novel noun generalization task, defined as percent of choices to the shape-matching item across all trials

Recruitment status

COMPLETED

Study phase

NA

Target enrollment

212 participants

Primary outcome timeframe

1 minute

Results posted on

2026-08-19

Participant Flow

Recruitment occurred in Stillwater, OK and Dallas, TX through known channels, snowball, and social media efforts

Participant milestones

Participant milestones
Measure
3D-3D
All items presented in 3D form.
3D-2D
Initial exposure to items in 3D, generalization in 2D
2D-3D
Initial exposure to items in 2D, generalization in 3D
2D-2D
Initial exposure to items in 2D, generalization in 2D
Overall Study
STARTED
55
51
60
46
Overall Study
COMPLETED
51
47
55
44
Overall Study
NOT COMPLETED
4
4
5
2

Reasons for withdrawal

Withdrawal data not reported

Baseline Characteristics

What Makes a Cup, a Cup? Generalizing Novel Words

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
3D-3D
n=51 Participants
All items presented in 3D form.
3D-2D
n=47 Participants
Initial exposure to items in 3D, generalization in 2D
2D-3D
n=55 Participants
Initial exposure to items in 2D, generalization in 3D
2D-2D
n=44 Participants
Initial exposure to items in 2D, generalization in 2D
Total
n=197 Participants
Total of all reporting groups
Age, Continuous
24.24 age in months
STANDARD_DEVIATION 4.48 • n=298 Participants
23.94 age in months
STANDARD_DEVIATION 3.85 • n=102 Participants
24.06 age in months
STANDARD_DEVIATION 4.65 • n=400 Participants
24.00 age in months
STANDARD_DEVIATION 4.13 • n=30 Participants
24.06 age in months
STANDARD_DEVIATION 4.28 • n=1389 Participants
Sex: Female, Male
Female
17 Participants
n=298 Participants
18 Participants
n=102 Participants
24 Participants
n=400 Participants
25 Participants
n=30 Participants
84 Participants
n=1389 Participants
Sex: Female, Male
Male
34 Participants
n=298 Participants
29 Participants
n=102 Participants
31 Participants
n=400 Participants
19 Participants
n=30 Participants
113 Participants
n=1389 Participants
Race (NIH/OMB)
American Indian or Alaska Native
0 Participants
n=298 Participants
0 Participants
n=102 Participants
0 Participants
n=400 Participants
0 Participants
n=30 Participants
0 Participants
n=1389 Participants
Race (NIH/OMB)
Asian
2 Participants
n=298 Participants
0 Participants
n=102 Participants
0 Participants
n=400 Participants
3 Participants
n=30 Participants
5 Participants
n=1389 Participants
Race (NIH/OMB)
Native Hawaiian or Other Pacific Islander
0 Participants
n=298 Participants
0 Participants
n=102 Participants
0 Participants
n=400 Participants
0 Participants
n=30 Participants
0 Participants
n=1389 Participants
Race (NIH/OMB)
Black or African American
4 Participants
n=298 Participants
5 Participants
n=102 Participants
4 Participants
n=400 Participants
0 Participants
n=30 Participants
13 Participants
n=1389 Participants
Race (NIH/OMB)
White
33 Participants
n=298 Participants
37 Participants
n=102 Participants
42 Participants
n=400 Participants
36 Participants
n=30 Participants
148 Participants
n=1389 Participants
Race (NIH/OMB)
More than one race
11 Participants
n=298 Participants
5 Participants
n=102 Participants
6 Participants
n=400 Participants
3 Participants
n=30 Participants
25 Participants
n=1389 Participants
Race (NIH/OMB)
Unknown or Not Reported
1 Participants
n=298 Participants
0 Participants
n=102 Participants
3 Participants
n=400 Participants
2 Participants
n=30 Participants
6 Participants
n=1389 Participants
Ethnicity (NIH/OMB)
Hispanic or Latino
10 Participants
n=298 Participants
4 Participants
n=102 Participants
11 Participants
n=400 Participants
6 Participants
n=30 Participants
31 Participants
n=1389 Participants
Ethnicity (NIH/OMB)
Not Hispanic or Latino
41 Participants
n=298 Participants
43 Participants
n=102 Participants
43 Participants
n=400 Participants
37 Participants
n=30 Participants
164 Participants
n=1389 Participants
Ethnicity (NIH/OMB)
Unknown or Not Reported
0 Participants
n=298 Participants
0 Participants
n=102 Participants
1 Participants
n=400 Participants
1 Participants
n=30 Participants
2 Participants
n=1389 Participants

PRIMARY outcome

Timeframe: 1 minute

Accuracy on selecting the target item on novel noun generalization task, defined as percent of choices to the shape-matching item across all trials

Outcome measures

Outcome measures
Measure
3D-3D
n=51 Participants
All items presented in 3D form.
3D-2D
n=47 Participants
Initial exposure to items in 3D, generalization in 2D
2D-3D
n=55 Participants
Initial exposure to items in 2D, generalization in 3D
2D-2D
n=44 Participants
Initial exposure to items in 2D, generalization in 2D
Generalization Performance
44 percent accuracy
Standard Deviation 17
51 percent accuracy
Standard Deviation 24
45 percent accuracy
Standard Deviation 17
55 percent accuracy
Standard Deviation 20

Adverse Events

3D-3D

Serious events: 0 serious events
Other events: 0 other events
Deaths: 0 deaths

3D-2D

Serious events: 0 serious events
Other events: 0 other events
Deaths: 0 deaths

2D-3D

Serious events: 0 serious events
Other events: 0 other events
Deaths: 0 deaths

2D-2D

Serious events: 0 serious events
Other events: 0 other events
Deaths: 0 deaths

Serious adverse events

Adverse event data not reported

Other adverse events

Adverse event data not reported

Additional Information

Sarah Kucker

Southern Methodist University

Phone: 214-768-6282

Results disclosure agreements

  • Principal investigator is a sponsor employee
  • Publication restrictions are in place