10-31 Notes - Anthro 2AC Reading: Ashmore, pp 76-79...

Info iconThis preview shows page 1. Sign up to view the full content.

View Full Document Right Arrow Icon
Anthro 2AC Reading: Ashmore, pp 76-79 10/31/08 VII. DATA GATHERING(3 rd Stage Research Design) 3. Survey Methods (Surface, Subsurface Surveys) Shape and size of sampling units, sample size, sampling strategy. 4. Field Decisions: Regional Survey – Sampling A. Shape and Size of Sample Units A. Study area/survey area - Data universe= broader study area. usually divided into smaller sample units. Study Area or Data Universe, Sample Units, 2 types of units Nonarbitrary Units- corresponds to environmental zones such as river, foothill or coastal strip. correlate to environmental charateristics Arbitrary Units - more commonly used - spatial divisions. no inherent or environmental usage Transects- long linear sample units Quadrats- small or large square block. hectare 100 x 100 meter or maybe 1km x 1km block. B. Sample Size/Sample Fraction Sample Size= Number of Sample Units. we use map and overlay them on it. number of sample size chosen from the data universe. how many are you going to look at?
Background image of page 1
This is the end of the preview. Sign up to access the rest of the document.
Ask a homework question - tutors are online