Which of these physical skills typically develops LAST?
a) sitting up
b) standing up
c) walking
d) sucking
ANS: C
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______ is calculated from the sum of the squared differences between the observed and expected frequencies divided by the expected frequencies.
A. Pearson r B. Cohen's d C. Chi-square test D. Expected frequency
Which child would not be labeled as failure-to-thrive?
a. Any child below the third percentile for height and weight in his or her age range b. A child who has inherited an abnormally short stature c. A child who has displayed normally slow growth from birth d. A child who has been ill for several months and is not the same height or weight as his or her agemates
Which attitude measure is problematic because it can allow people to hide their true feelings?
a) Likert scales b) projective tests c) behavioral measures d) unobtrusive observation
While alcohol consumption is often synonymous with violence and aggression, alcohol only seems to influence aggression in individuals with ______.
A. late-onset alcoholism B. psychopathy C. proactive aggression D. low serotonin levels