WorksheetsResearch Quiz 1
Total questions: 11
Worksheet time: 8mins
A case study is a research method that....
studies multiple groups in different categories at once
studies something or someone in depth
measures the degree to which two or more variables are related
a study in which a person participates in a laboratory experiment
All are problems with a case study except for....
they can be ethically problematic
they can very rarely be replicated
they don't necessarily represent the broader human population
they describe something rare in great detail
This cartoon highlights a key disadvantage to the Survey method of psychological research. What is it?
What is a random sample?
What is a stratified sample?
Suppose you wanted to find out what percentage of upper class Western High students own
cars? You decided to do a stratified sample based on the junior and senior population at school.
There are 800 seniors and 1,200 junior at Western for a total of 2000 students. How many juniors
and seniors would you survey if you were to take a sample of 100 students. Hint - This requires a
little math - First figure out the percentages of each subgroup to the total number of upper class
students.
One psychological study investigated whether intelligence declines with age. Experimenters took
subjects from different age groups, running from late childhood through old age, administered IQ
tests to each age group and then looked how the results changed from one age group to another.
What observation method did researchers use in this study?
Some time later, researcher chose to study whether intelligence declines with age using a different
method. In this study, they chose to study a group of people over a period of decades, administering
IQ tests every few years. What type of observation method did researchers use in this
case?
The Naturalistic-Observation Method takes place...
with a mouse
in a house
in the field
in a lab
Researchers cannot generalize findings unless their samples are random. In order for a sample to be truly random, every member of the entire group has to have an equal chance of being chosen to participate. Which of the following is an example of a random sampling procedure used to pick 100 participants for a research project?
Design a Web site that has an online version of a questionnaire and include the first 100 people who complete the survey.
Put an ad in the newspaper and pick the first 100 people who respond.
Choose participants from the entire population of interest by putting all the names in a bowl, picking names one at a time until you reach 100, and involving as many of those 100 as possible.
Send questionnaires to the entire population of interest and include the first 100 people who return the questionnaire.
