Chapter 2 Flashcards

1
Q

Types of Research

A
  1. Ethnography

2. Excavation

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2
Q

Ethnography

A

Detailed description and analysis of a society or culture

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3
Q

Participant Observation

A

Taking part in the important events of societies and asking careful questions of the people.

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4
Q

Fieldwork

A

Firsthand research experience

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5
Q

Informants

A

Knowledgeable people willing to work with the anthropologist.

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6
Q

Within-Culture Comparisons

A

Testing a theory within one society by comparing individuals, families, households, communities, or districts

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7
Q

Regional Controlled Comparisons

A

The comparison of ethnographic information obtained from societies found in a particular region—societies that presumably have similar histories and occupy similar environments

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8
Q

Cross-Cultural Research

A

Worldwide comparisons

Example: Whiting’s work on the adaptive value of a long postpartum sex taboo.

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9
Q

Ethnohistory

A

Studies based on descriptive materials about a single society at more than one point in time.
Explains variations in cultural patterns

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10
Q

Excavation

A

The discovery and processing of an archaeological site

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11
Q

Excavation has 2 goals:

A
  1. to find every scrap of evidence (or a statistically representative sample) about the past that a given site holds
  2. to record the horizontal and vertical location of that evidence with precision.
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12
Q

Artifact

A

Anything made or modified by humans.

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13
Q

Lithic

A

Technical name for tools made of stone.

Only kind of artifact available for 99% of human history

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14
Q

Ceramics

A

Pots and other items made form baked clay.

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15
Q

Fossils

A

Hardened Remains or impressions of plants and animals that lived in the past.
Conditions must be favorable and specific for preservation.
Only 3% of species that ever lived have been found.

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16
Q

Features

A

Artifacts of human manufacture that cannot be removed from an archaeological site.
Ex. hearths, pits, buildings, living floors.

17
Q

How are Sites Created?

A

Sites are created when remnants of human activity are covered or buried by some natural process

18
Q

Taphonomy

A

The study of the processes of site disturbance and destruction.

19
Q

How are sites found?

A
  1. Pedestrian Survey.

2. Remote Sensing.

20
Q

Pedestrian Survey (walkover)

A

Walking around and looking for sites.

Detecting anomalies in the soil.

21
Q

Remote Sensing

A

allow archaeologists to find deposits from a remote location

22
Q

Stratigraphy

A

The study of how different rock or soil formations are laid down in successive layers or strata

23
Q

Conservation

A

The process of treating artifacts, ecofacts, and in some cases even features, to stop decay and, if possible, reverse the deterioration process.

24
Q

Dating the Evidence 2 TYPES:

A
  • Absolute/Chronometric Dating.

- Relative Dating.

25
Multiple Ways to Date the evidence
-Radiocarbon, Thermoluminescence, Electron spin resonance, ^40Ar-^39Ar Dating, Potassium-argon (K-Ar), Paleomagnetic, Uranium-series, Fission-track.
26
Radiocarbon (carbon-14) dating
Dating method that uses the decay of carbon 14 to date organic remains. It is reliable for dating once-living matter up to 50,000 years old.
27
ThermoluminescenceDating
Used on samples of ancient pottery, brick, tile, or terra cotta, which (when they were made) were heated to a high temperature that released trapped electrons.
28
Electron spin resonance
Useful for dating organic materials, such as bone and woodThe material to be dated is exposed to varying magnetic fields in order to obtain a spectrum of the microwaves absorbed by the tested material.
29
40Ar–39Ar dating
Used in conjunction with potassiumargon dating, this method gets around the problem of needing different rock samples to estimate potassium and argon
30
Potassium-argon (K-Ar) dating
Uses the rate of decay of a radioactive form of potassium (40K) into argon (40Ar) to date samples from 5,000 to 3 billion years oldDates minerals and rocks in the deposit, not artifacts themselves.
31
Uranium-series dating
Uses the decay of two kinds of uranium (235U and 238U) into other isotopes (such as 230Th, thorium)•Particularly useful in cave sites.
32
Paleomagnetic dating
•Based on reversals and changes in the earth’s magnetic field over time.
33
Fission-track Dating
•used to date crystal, glass, and many uranium-rich materialscontemporaneous with fossils or deposits that are from 20 billion to 5 billion years old•This dating method entails counting the tracks or paths of decaying uranium-isotope atoms in the sample and then comparing the number of tracks with the uranium content of the sample.
34
Relative Dating
Used to determine the age of a specimen or deposit relative to another specimen or deposit.
35
Ethics in Anthropological Research
``` Most important ethical obligation: to protect the people in a study. •Informants given pseudonyms •Honest, objective reporting •Present results to scientific community •Publish results ```