Find (A) the First Term (B) the Common Difference (C)

question 16

Short Answer

Find (a) the first term (b) the common difference (c) the 12th term (d) the sum of the first 12 terms 4, 8, 12, 16, 20, . . .

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Definitions:

Sensitive Periods

Specific times in an individual's development during which they are more responsive to certain types of environmental stimuli or learning.

Critical Periods

Specific times during organism development when the organism is particularly susceptible to certain environmental stimuli or experiences.

Scientific Method

The process of posing and answering questions using careful, controlled techniques that include systematic, orderly observation and the collection of data.

Bioecological Approach

A theoretical model that emphasizes the importance of both biological and environmental factors in the development of human beings, highlighting the dynamic interactions between them.