Irina Wants to Study Infant Language Development

question 36

Multiple Choice

Irina wants to study infant language development.She decides to watch 10 babies once a month from birth to two years of age and write down the sounds they make and the words they use.Irina is using

• A)self-report.
• B)systematic observation.
• C)sampling behaviour with tasks.
• D)interviews.

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Definitions:

Coal

A combustible black or brownish-black sedimentary rock used primarily as a source of energy and heat.

Tariff

A tax imposed on imported goods and services to protect domestic industries or raise government revenue.

Opportunity Cost

The forfeiture of potential benefits from other options when a particular choice is made.

Protective Tariffs

Tariffs imposed by a government to protect domestic industries from foreign competition by raising the price of imported goods.