PSY201 9.9.13 To post

For a girl will have dierent norms for m and sd

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Unformatted text preview: score = 21 Z score = ? Anna: Kaitlin: Kaitlin: Raw score = 15 Z score = ? Raw score = 2 Z score = ?   M = 12; SD = 6 Mike: Raw score = 21 Z score = 1.5 Anna: Raw score = 15 Z score = 0.5 Raw score = 3 Z score =  ­1.5 8 9/9/13 Inhibitory Control Raw score 0 60 120 Z score  ­3  ­1 0 +1 +2  ­2 RecepIve Language Raw score 3 15 210 +3 21   Z scores can be calculated to compare scores obtained from two different scales   Example 1: Same individual, different assessments ▪  Inhibitory control vs. RecepIve language ability ▪  Score on math test vs. Score on verbal test   Example 2: Same assessment, different individuals from different groups ▪  Height for a boy vs. for a girl (Will have different norms for M and SD depending on their gender and age)   Bayley Scales for Infant Development   SomeImes used to evaluate need for early intervenIon   “IQ” test for babies (1 to 42 months) ▪  CogniIve ▪  Fine and gross motor ▪  RecepIve and expressive language ▪  SocioemoIonal 9 9/9/13   On the gross motor subtest:   A 5 ­month ­old scores 8 points   A 9 ­month ­old scores 9 points   A 38 ­month ­old scores 20 points   On the cogniIve subtest:   The 5 ­month...
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