![Page 1: May 24, 2018...S) RLonb 01 IOOÇPSII blsÀGLe satŒq GAGIJ p!sasq suq bL0A!qsq s eolnuou. escu 01 dnseuoue' 01 Loni. acgcna. ph - blghsq guq cgqqs acgcna ga g qsusua!As l!uswgu gleo](https://reader034.vdocument.in/reader034/viewer/2022042301/5ecbe9bfd43cd479d96a0575/html5/thumbnails/1.jpg)
May 23, 2018
bias
someone usesomeone
wordingbias free
May 24, 2018
![Page 2: May 24, 2018...S) RLonb 01 IOOÇPSII blsÀGLe satŒq GAGIJ p!sasq suq bL0A!qsq s eolnuou. escu 01 dnseuoue' 01 Loni. acgcna. ph - blghsq guq cgqqs acgcna ga g qsusua!As l!uswgu gleo](https://reader034.vdocument.in/reader034/viewer/2022042301/5ecbe9bfd43cd479d96a0575/html5/thumbnails/2.jpg)
May 23, 2018
sampling method
notvariety
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May 23, 2018
lack
![Page 4: May 24, 2018...S) RLonb 01 IOOÇPSII blsÀGLe satŒq GAGIJ p!sasq suq bL0A!qsq s eolnuou. escu 01 dnseuoue' 01 Loni. acgcna. ph - blghsq guq cgqqs acgcna ga g qsusua!As l!uswgu gleo](https://reader034.vdocument.in/reader034/viewer/2022042301/5ecbe9bfd43cd479d96a0575/html5/thumbnails/4.jpg)
May 23, 2018
alter
![Page 5: May 24, 2018...S) RLonb 01 IOOÇPSII blsÀGLe satŒq GAGIJ p!sasq suq bL0A!qsq s eolnuou. escu 01 dnseuoue' 01 Loni. acgcna. ph - blghsq guq cgqqs acgcna ga g qsusua!As l!uswgu gleo](https://reader034.vdocument.in/reader034/viewer/2022042301/5ecbe9bfd43cd479d96a0575/html5/thumbnails/5.jpg)
May 23, 2018
survey
![Page 6: May 24, 2018...S) RLonb 01 IOOÇPSII blsÀGLe satŒq GAGIJ p!sasq suq bL0A!qsq s eolnuou. escu 01 dnseuoue' 01 Loni. acgcna. ph - blghsq guq cgqqs acgcna ga g qsusua!As l!uswgu gleo](https://reader034.vdocument.in/reader034/viewer/2022042301/5ecbe9bfd43cd479d96a0575/html5/thumbnails/6.jpg)
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.
![Page 7: May 24, 2018...S) RLonb 01 IOOÇPSII blsÀGLe satŒq GAGIJ p!sasq suq bL0A!qsq s eolnuou. escu 01 dnseuoue' 01 Loni. acgcna. ph - blghsq guq cgqqs acgcna ga g qsusua!As l!uswgu gleo](https://reader034.vdocument.in/reader034/viewer/2022042301/5ecbe9bfd43cd479d96a0575/html5/thumbnails/7.jpg)
May 23, 2018
Measurement Bias
Survey question limits options.
Allow the question to be open
![Page 8: May 24, 2018...S) RLonb 01 IOOÇPSII blsÀGLe satŒq GAGIJ p!sasq suq bL0A!qsq s eolnuou. escu 01 dnseuoue' 01 Loni. acgcna. ph - blghsq guq cgqqs acgcna ga g qsusua!As l!uswgu gleo](https://reader034.vdocument.in/reader034/viewer/2022042301/5ecbe9bfd43cd479d96a0575/html5/thumbnails/8.jpg)
May 23, 2018
Sampling Bias
Golfers will likely be opposed.
Survey the community at large.
![Page 9: May 24, 2018...S) RLonb 01 IOOÇPSII blsÀGLe satŒq GAGIJ p!sasq suq bL0A!qsq s eolnuou. escu 01 dnseuoue' 01 Loni. acgcna. ph - blghsq guq cgqqs acgcna ga g qsusua!As l!uswgu gleo](https://reader034.vdocument.in/reader034/viewer/2022042301/5ecbe9bfd43cd479d96a0575/html5/thumbnails/9.jpg)
May 23, 2018
Non-Response Bias
70% don't answer
Offer an incentive to complete the survey.
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May 23, 2018
Measurement Bias
Use hidden unmarked cars.
People drive slower when they see a police car
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May 23, 2018
- needs a variety of teenagers (in much larger numbers) that would accurately represent ALL teens.
- Friends -> Sampling bias
similar views
![Page 12: May 24, 2018...S) RLonb 01 IOOÇPSII blsÀGLe satŒq GAGIJ p!sasq suq bL0A!qsq s eolnuou. escu 01 dnseuoue' 01 Loni. acgcna. ph - blghsq guq cgqqs acgcna ga g qsusua!As l!uswgu gleo](https://reader034.vdocument.in/reader034/viewer/2022042301/5ecbe9bfd43cd479d96a0575/html5/thumbnails/12.jpg)
May 23, 2018
Practice: Handout