DrPeacock Is Investigating the Effect of the Amount of Daycare

question 226

Multiple Choice

Dr.Peacock is investigating the effect of the amount of daycare fees on preschooler's language development.To do this,she finds a handful of daycares that differ according to their weekly fees (some are very expensive,and others are not) ,and she quietly sits and records the number of words spoken by random samples of children throughout the day in each daycare.What type of research method is Dr.Peacock using?

• A) experiment
• B) naturalistic observation
• C) case study
• D) survey

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Definitions:

Disjunctive Addition (Add)

A rule in propositional logic that allows the introduction of an additional disjunct to an existing disjunction.

Double Negation (DN)

A rule of equivalence in propositional logic permitting the following substitution: p :: ~~p.

Modus Ponens (MP)

A valid argument form in logic where, if 'P implies Q' is true and 'P' is true, then 'Q' must also be true.

Longitudinal

Relates to research or studies that observe the same subjects over a period of time, often years or decades, to track changes and developments.