Psychology Chapters 9, 10 and 13

The study of how humans grow, develop and change throughout the life span.

A study in which the same group of participants is followed and measured at different ages, over a period of years

A study that is less expensive and less time consuming in which researchers compare groups of participants of different ages to determine age related differences in some characteristics

Development from conception to birth

What forms when conception occurs and the sperm fertilizes the ovum

The developing human organism

The stage during which the developing human organism forms all of the major body systems, organs, and structures and lasts from the beginning of week 3 through week 8

The name for the developing human organism during the period from week 9 until birth

Experiences rapid growth and further development of body structures, organs and systems.

That stage that is 1 to 2 weeks after conception

The stage that is 3-8 weeks after conception

The Stage that is 9 weeks to birth after conception

The stage in which the zygote attaches to the uterine lining. At 2 weeks the zygote is the size of the period at the end of a sentence

The stage in which major systems, organs and structures of the body develop.

This stage ends when the first bone cells appear