PSYC 1010 Chapter Notes - Chapter 2: Ipsos, Sampling Bias
20 May 2018
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PSYC 1010 Chapter 2 Notes
Introduction
Wording Effects
• Even subtle changes in the order or wording of questions can have major effects.
• People ae uh oe appoig of aid to the eed tha of elfae, of affiatie
atio tha of pefeetial teatet, of ot alloig teleised igaette ads ad
poogaph tha of esoig the, ad of eeue ehaes tha of taes.
• A survey looks at many cases in less depth.
• A survey asks people to report their behavior or opinions. Questions about everything
from sexual practices to political opinions are put to the public. In recent surveys:
• Saturdays and Sundays have been the eek’s happiest das ofiig hat the
Twitter researchers found) (Stone et al., 2012).
• 1 in 5 people across 22 countries report believing that alien beings have come to Earth
and now walk among us disguised as humans (Ipsos, 2010b).
• 68 percent of all humans—some 4.6 billion people—say that religion is important in
their daily lives (from Gallup World Poll data analyzed by Diener et al., 2011).
• But asking questions is tricky, and the answers often depend on how questions are
worded and respondents are chosen.
• I aothe sue, adults estiated a peet hae that I ill lie to e 8 eas
old o olde, hile opaale othe adults estiated a 8 peet hae that I ill
die at 8 eas old o ouge Pae et al., .
• Because wording is such a delicate matter, critical thinkers will reflect on how the
phasig of a uestio ight affet people’s epessed opiios.
• In everyday thinking, we tend to generalize from samples we observe, especially vivid
cases.
• Given a statistical summa of a pofesso’s studet ealuatios
• The vivid comments of a biased sample (two irate students)
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