may 24, 2018...s) rlonb 01 iooÇpsii blsÀgle satŒq gagij p!sasq suq bl0a!qsq s eolnuou. escu 01...
Post on 24-May-2020
0 Views
Preview:
TRANSCRIPT
May 23, 2018
bias
someone usesomeone
wordingbias free
May 24, 2018
May 23, 2018
sampling method
notvariety
May 23, 2018
lack
May 23, 2018
alter
May 23, 2018
survey
May 23, 2018
http://www.raidersonline.org/lyle-alzado.php
Make the survey anonymous.
Response Bias.
Respondents are unlikely to answer truthfully.
*Random drug testing
is common in sports.
May 23, 2018
Measurement Bias
Survey question limits options.
Allow the question to be open
May 23, 2018
Sampling Bias
Golfers will likely be opposed.
Survey the community at large.
May 23, 2018
Non-Response Bias
70% don't answer
Offer an incentive to complete the survey.
May 23, 2018
Measurement Bias
Use hidden unmarked cars.
People drive slower when they see a police car
May 23, 2018
- needs a variety of teenagers (in much larger numbers) that would accurately represent ALL teens.
- Friends -> Sampling bias
similar views
May 23, 2018
Practice: Handout
top related