Recent Studies Find That a Disorganized Attachment Style Developed in Infancy

question 192

Multiple Choice

Recent studies find that a disorganized attachment style developed in infancy only when infants had the short version of the serotonin transporter gene-five-HTTLPR. This gene-environment interaction only occurred when:

• A) the infants' other-consciousness is poorly developed in the first six months after birth.
• B) mothers were slow or inconsistent in responding to their infants.
• C) maternal nutrition was deficient during the prenatal period.
• D) the infants were temperamentally inclined toward negative affectivity.

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Definitions:

Variable Inputs

Refers to inputs used in production that can be adjusted in the short term to meet changes in output levels, such as labor or raw materials.

Returns To Scale

A concept in economics that describes how a proportionate increase in all inputs affects the level of output.

Variable Cost

A cost that increases when the firm increases its output and decreases when the firm reduces its output.

Short Run

Describes a period during which at least one factor of production is fixed, limiting the ability of a firm to adjust to changes in market demand or supply conditions.