Soc171 Research Methods
Quiz 2 Study Guide
Prof. Nicdao, 3/13/14
There will be 4 questions on the quiz; each worth 2.5 points (total possible points = 10). Please
bring a blank blue book to class on Wed. March 19th.
Chapter 5, Conceptualization, Operation
1. Some of the advantages of multiple-groups designs are it decreases the probability
of type I error and decreases confounding variables by allowing the comparison of
multiple control groups. Two other advantages are it increases the external validity
an
Name: Asianya Jones
Class 29 In-Class Activity
A marketer believes that 4 smartphone brands are equally attractive. He asks 43 people
which brand they prefer (download the brands.sav from the course website). If the
brands are really equally attractive, e
Assessing reliability and validity of your measure
09/18/2016
Assessing reliability
Internal consistency: assess the reliability of scales and
subscales.
o Only applies to scales that have multiple items that are meant
to be combined into a single score
Chi Square distribution
If x is normally distributed with a mean of 0 and a variance of 1
We are taking a sample from a normally distribution.
Q=X^2
The distribution is going to be an example of chi square distribution
o A set distribution depending on ho
independent group designs
02/15/2017
Independent groups
Individuals are in only one group
o Chocolate eaters or non chocolate eaters.
Correlational
You can have a correlation design that compares groups
o We do this for studies we cannot or choose not t
Comparing your sample to a known or expected score
We use a one-sample t test to examine the difference between a sample mean and a
known population mean
o Usually sample size less than 30 and measure is an interval or ratio scale
o We must have the pop
Thinking like a researcher
08/31/2016
Critical Thinking
Critical thinking=thinking like a researcher= research by doing
Requires tons of engagement with info
Involves carefully analyzing the info based on current knowledge,
instead of relying on our ow
Correlational design
1. It is appropriate to use a correlational design when it is unclear if an experiment
should be implemented or the manipulation of variables is unethical or not able
to be controlled. It also appropriate to employ when researchers wa
PSYC 101: Research Methods and Statistics
Descriptive Statistics Take-Home Quiz
1. A particular block in a suburban neighborhood has 20 households. The number of children
in these households is as follows:
2, 4, 2, 1, 0, 3, 6, 0, 1, 1, 2, 3, 2, 0, 1, 2, 1
PSYC 101
Science Isnt Broken
Stocco
Read and interact with Aschwanden (2015) and answer the questions below.
Heres the link: http:/fivethirtyeight.com/features/science-isnt-broken/#part1
1. What sorts of negative press has science received lately?
Press h
1. The assumptions of independent-samples t test are the dependent variable has to be
measured on an interval or ratio scale, the independent variable must have two
categorical, independent groups, participants may only be allowed on one group,
there shou
Karina Martinez
April 4, 2014
Survey Construction
The first concept observed in the survey is social network participation. It is a concept of
interest because it will determine how often respondents use social networking sites. By social
network particip
Social Network Participation and Prejudice Survey
This is a survey to measure the frequency participation in social media and how racially
open social media users are on social media sites. Please answer the following questions to the
best of your ability