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Suppose that the CPI in 1990 was 150, that the inflation rate in 1991 was 6%, and that the inflation rate in 1992 was 4%. What was the CPI in 1991 and 1992?
Stranger Anxiety
A form of distress that children experience when exposed to people unfamiliar to them, typically observed around 6 to 12 months of age.
Surveys
Research tools consisting of questionnaires or interviews used to gather data on opinions, experiences, or behaviors of a group of people.
Naturalistic Observations
A research method in which subjects are observed in their natural environment without any manipulation by the observer.
Experiments
Controlled procedures carried out to study the effects of variable manipulation on a particular system or subject, often used to establish causal relationships.
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