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Table 2 Internal reliabilities for potential outcome measure assessments

From: A randomised controlled feasibility trial of an early years language development intervention: results of the ‘outcomes of Talking Together evaluation and results’ (oTTer) project

 

Items

N

Cronbach’s alpha

Language screener (baseline)

10

95

0.77

HLE (pre-test)

16

82

0.76

MORS warmth (pre-test)

7

81

0.57

MORS invasive (pre-test)

7

83

0.78

SDQ total (pre-test)

10

82

0.76

  1. Cronbach’s alphas could not be computed for two of the outcome measures (CDI, WellComm) because the data was not received at item level
  2. CDI Oxford Communication Development Inventory-Short, HLE Home learning environment, MORS Maternal Object Relations Scale, SDQ Strengths and Difficulties Questionnaire