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Correlational findings

Study McGrade (1968): study US 1963

Public:
Infants followed from birth to 8 month, USA, 196?
Sample:
Respondents:
N = 24
Non Response:
46% unattainable.
Assessment:
Questionnaire: paper
Mailed questionnaire and peerratings

Correlate

Authors's label
Newborn activity
Our Classification
Operationalization
Observation of movements of hands and feet by method of Kessen et al. (1961), using motion pictures of four observations on two consecutive days.

1. Activity: Observation of movements  
   of hands and feet.

2. Reactivity: Difference between   
   unstimulated activity and activity  
   after S's forehead was rubbed.

3. Reactivity: Difference between   
   unstimulated activity and activity
   after removal of a nipple.

Observed Relation with Happiness

Happiness Measure Statistics Elaboration / Remarks A-CA-mi-tsb-v-8-a r = +.06 ns           
                  
             
A-CA-mi-tsb-v-8-a r = -.09 ns          
            
             
          
A-CA-mi-tsb-v-8-a r = -.51 p < .01