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. Author manuscript; available in PMC: 2017 Jan 1.
Published in final edited form as: Lang Learn Dev. 2015 Oct 15;12(1):14–41. doi: 10.1080/15475441.2015.1018420

Table 2.

Stimulus trial structure.

Phase Duration Screen Set-Up Sentence/Sound
A1. Character
Presentation 		4 sec. Box Hey, look! There’s a box. Look at the box.
A2. Character
Presentation 		4 sec. Boy Hey, look! There’s a boy. Look at the boy.
B. Fixation Smiley Face Doorbell sound
C1. Character
Identification 		4 sec. Box Boy Find the box. Where’s the box?
C2. Character
Identification 		4 sec. Box Boy Find the boy. Where’s the boy?
D1. Event
Presentation 		6.5 sec. Video 1 Look here! Watch this!
D2. Event
Presentation 		6.5 sec. Video 2 Look over here! Watch this!
B. Fixation Smiley Face Doorbell sound
E1. Event
Description 		6.5 sec Video 1 Video 2 Hey, watch! The boy is nizzing the box. See?
E2. Event
Description 		6.5 sec. Last Frame of
Video 1		 Last Frame of
Video 2		 Oh wow! The boy nizzed the box. Let’s watch it
again!
B. Fixation Smiley Face Doorbell sound
E3. Event
Description 		6.5 sec. Video 1 Video 2 The boy is nizzing the box. Find nizzing!