Posted by **Jill** on Saturday, October 15, 2011 at 6:01pm.

A researcher wants to obtain a random sample of the 800 cows from a local farm. He decides to ask the farmer to give him the ear tag numbers of 100 cows he can use in his study. The researcher puts these tag numbers into a hat and randomly chooses 40 to include in his study.

- Research Methods -
**Ms. Sue**, Saturday, October 15, 2011 at 6:02pm
Your question is?

- Research Methods -
**Jill**, Saturday, October 15, 2011 at 6:02pm
Indicate which of the following sampling techniques are examples of random sampling. For those that are not examples of random sampling, explain why.

- Research Methods -
**Ms. Sue**, Saturday, October 15, 2011 at 6:03pm
What do you think?

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**Jill**, Saturday, October 15, 2011 at 6:07pm
I think that it is a random sample.. however the wording is confusing me.. help please?

- Research Methods -
**Ms. Sue**, Saturday, October 15, 2011 at 6:20pm
I don't think it's random because the farmer chose the 100 cows.

- Research Methods -
**Jill**, Saturday, October 15, 2011 at 6:25pm
yeah.. but then 40 others were chosen??

- Research Methods -
**Barb**, Monday, March 12, 2012 at 8:39pm
Why do well crafted Small-N research designs have such high internal validity?

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