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Table 1 Features of study design

From: A multi-study examination of the role of repeated spaced retrieval in the word learning of children with developmental language disorder

Study

RSRa condition

Comparison condition

Novel words

Referent type

Test types

1

033b

RSc

/dɔik/, /pαɪb/, /gɪf/, /nɛp/, /fαʊn/, /jʌt/, /bog/

Noun

Word form, meaning, recognition

2

022d

IRe

/bog/, /nɛp/, /paɪb/, /jʌt/, /daɪbo/, /fumi/, /gine/, /tomə/, /kodəm/, /meləp/, /pobɪk/, /tɛkət/

Noun

Word form, meaning, recognitionf

3

033

RS

/fɪm/, /taɪmɪk/, /zogi/, /beɪp/, /næfi/, /mok/, /kudɪp/, /paɪt/

Adjective

Word form, recognitionf

4

More retrieval/less study

More study/less retrieval

/fumi/, /jʌt/, /nɛp/, /tɛkət/, /bog/, /paɪb/

Noun

Word form, meaning, recognitionf

  1. aRepeated spaced retrieval
  2. bSpacing with 0 intervening words and then 3 intervening words
  3. cRepeated study
  4. dSpacing with 0 intervening words and then 2 intervening words
  5. eImmediate retrieval
  6. fRecognition tested at 1 week only