Experiments 1A (blocked presentation in training) and 1B (random presentation in training): Percentages of correct markers (subject means with standard deviations) in the random-order sentence production task with old object nouns at the end of the last training session (with feedback) (SPwF), the random-order sentence production test with old object nouns in the test session (without feedback) (SP), the forced-choice grammaticality judgment task with old object nouns (GJ), the novel + hint sentence production task (SP, collapsed over novel-old and novel-new nouns), and the novel forced-choice grammaticality judgment task (GJ, collapsed over novel-old and novel-new nouns)