At their highest settings, portable music players can reach ____, which is _____ OSHA's recommended maximum
A) ?100; 15 dB higher than
B) ?155; 8 dB higher than
C) ?85; equal to
D) ?76; 20 dB less than
A
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Which of the following statements is supported by research on emotional development?
A) Infants, children, and adults use diverse responses to express a particular emotion. B) The emotional expressions of blind infants are exaggerated compared to infants with normal vision. C) Babies on the visual cliff generally display a fearful facial expression but do not show other signs of fear. D) Wide cultural differences exist in the facial expressions that people associate with different emotions.
A method of estimating the true correlation between X and Y given the correlation
between two unreliable measures of X and Y is by using the a) shrinkage coefficient b) reliability coefficient c) correction for attenuation d) corrected reliability index