exam 2 quizzes Flashcards
Which of the following is a kind of survey question that most people can’t accurately answer?
Did Biden’s recent electric cars incentive policy increase or decrease your approval of Biden?
Do you agree with Biden’s electric car incentives policy?
How strongly do you approve of President Biden?
Did Biden’s recent electric cars incentive policy increase or decrease your approval of Biden?
Which of the following best sums up what Zaller’s memory-based model says people do when they’re asked whether they agree with an issue opinion statement?
a.
Check memory for an opinion and use it if it’s there; otherwise answer randomly.
b.
Quickly think of a few pros and cons and agree if they can think of more pros than cons.
c.
Ask Alexa to answer the question for them.
d.
Access an opinion stored in memory and use it to answer the question.
Quickly think of a few pros and cons and agree if they can think of more pros than cons.
A nationally representative random sample survey had a margin of error of 3%. 30% of participants in the poll were Democrats. The average support for the president among Democrats was 75%. Assume there was no systematic bias. Which of the following best sums up what we could conclude is 95% likely to be true about the percent of Democrats in the population who support the president?
a.
It’s 75%.
b.
It’s between 72% and 78%.
c.
It’s between 70% and 80%.
d.
It’s between 73% and 77%.
It’s between 70% and 80%.
A Trump voter in an election poll was assigned a weight of 3 and a vote likelihood of 50%. How many votes for Trump would this count for?
a.
1
b.
3
c.
.5
d.
1.5
1.5
Which of the following is how I recommended setting up a coding sheet?
a.
A spreadsheet with variables as rows and cases as columns.
b.
A spreadsheet with cases as rows and variables as columns.
c.
A word document with cases as headings and variables as subheadings.
d.
A text document with emoticons and memes.
A spreadsheet with cases as rows and variables as columns.
What could a year-long participant observation of a particular restaurant allow a researcher to draw strong conclusions about?
a.
The culture of restaurants.
b.
The culture of that particular restaurant.
c.
What caused the restaurant to develop an increasingly toxic workplace culture for female employees over time.
d.
More than one of the above.
The culture of that particular restaurant.
Which of the following could be very misleading because of a few outliers far away from the rest of the data?
a.
The mean
b.
The median
c.
The mode
The mean
An experiment randomly assigned half of participants to a treatment group and half to a control group. The treatment group was asked to watch local news for a week and the control group was asked to avoid local news. Which test would you use to compare the average fear of crime (measured on a 1 to 10 scale) between the treatment group and the control group?
a.
Chi square
b.
ANOVA
c.
Regression
d.
T test
e.
Correlation
T test
A political advertising experiment randomly assigned people to one of three conditions: a control condition with no ad, a negative ad by Trump attacking Biden, and a positive ad by Trump about Trump. Average support for Trump was 40% in the control condition, 37% in the negative ad condition, and 44% in the positive ad condition. A one-way ANOVA found a p value of .04. Which of the following best sums up what we can conclude from this?
a.
The negative ad reduces support for Trump and the positive ad increases it.
b.
Something is different among these three conditions and possibly all are different from each other, but we can’t tell which without more tests.
c.
Neither ad had any effect on Trump support.
d.
We can’t conclude anything at all from this result.
Something is different among these three conditions and possibly all are different from each other, but we can’t tell which without more tests.
A regression on the outcome variable of media trust included two dummies: one for Republicans and one for independents. The two dummies were based the same three-level nominal measure (independent, Democrat, Republican). If the standardized beta for Republicans is -.3 with a p value of .01, which of the following best sums up what this means?
a.
Republicans tend to be less trusting of the media than non-Republicans.
b.
Republicans tend to be less trusting of the media than Democrats.
c.
Republicans tend to be more trusting of the media than non-Republicans.
d.
Republicans tend to be less trusting of the media than independents.
Republicans tend to be less trusting of the media than Democrats.
A regression model on the outcome of presidential approval included three predictors: age (in years), ideology (measured on a 1 to 7 scale with 1 labeled very liberal and 7 labeled very conservative), and the interaction between age and ideology. The standardized betas and p values were as follows: age (beta = .14, p = .03), ideology (beta = -.41, p = .0001), age * ideology (beta = -.15, p = .03). What can we conclude from this about the main effect of age?
a.
Older people have a slight tendency to be more supportive of the president.
b.
Younger people have a slight tendency to be more supportive of the president.
c.
Older people have a strong tendency to be more supportive of the president.
d.
We can’t conclude anything about the main effect of age from this model.
We can’t conclude anything about the main effect of age from this model.
This question is about choosing a chart to communicate results of a 3 candidate race, broken down by voters’ party registration (Democrat, Republican, or independent). The two most important comparisons you want people to be able to easily make by looking at the chart are 1.) the total # of votes for each of the three candidates, so it’s easy to see how close the race was and who won, and 2.) the number of independent voters who voted for each candidate, because this helps understand a surprising result in the race. What kind of chart would best accomplish these communication goals?
a.
A stacked column chart with independents as the middle group in each stack.
b.
A grouped column chart with a group for each candidate and subgroups for parties.
c.
A stacked column chart with independents as the bottom group in each stack.
d.
A pie chart for each candidate.
A stacked column chart with independents as the bottom group in each stack.
