Vocabulary 10 & 16

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Think Psychology
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1

Developmental psychologists

the physical, cognitive, and social changes that people experience

2

Normative Investigation

consist of research conducted in order to establish norms

3

Chronological age

is the amount of time that has passed since a person was born

4

Cross sectional studies

collect datafrom different indivisuals at different ages in order to track differences

5

Longitundinal studies

collect data from the same indivisuals over a period of time to track age changes

6

Ova

immature eggs

7

Teratogens

toxic substances that cross the placenta and may cause birth defects

8

Motor Development

the emergent ability to execute physical actions

9

Cephalocaudal rule

is the tendency for motor skills to emerge in sequence from top to bottom

10

Proximodistal rule

the tendency for motor skills to emerge in sequence from inside to outside

11

Adolescence

the period of transition from childhood to adulthood

12

Primary Sex Characteristics

sexual organs present at birth and directly involved in human reproduction

13

Secondary Sex Characteristics

sexual organs and traits that develop at puberty and are not directly involved in reproduction

14

Menarche

refers to a girls first menstruation

15

Spermarche

refers to a boys first ejactualation

16

Menopause

the end of the menstrual cycle and ability to bear children

17

Andropause

describes gradual sexual changes in men as they age that include declines in sperm count, testerone level, and speed of erection and ejaculation