Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
25 Cards in this Set
- Front
- Back
cluster sampling
|
researchers draw groups of clusters of partcipants instead of drawing individuals. i.e. drawing from a church instead of individuals from a church
|
|
r stands for, o stands for x stands for blank stands for
|
r=random o=observaton or measurement and x stands for experimental treatment.blank stands for control
|
|
pilot studies
|
are studies designed to obtain preliminary info on how new treatments and measurements work.
|
|
independant variable
|
presumed cause (smoking)
|
|
dependant variable
|
the response or outocome lung cancer
|
|
hawthorne effefct
|
when the studies was taken, with the workers and the lights. chanig them incrased productivity, but it was just bc they thought thery were being watched
|
|
JOHN HENRY EFFECT
|
possiblity that the control group might become aware of their inferior status and try to respond by outperforming the experimental group.
|
|
quasi experimental designs
|
when it is not possible to assign participants at random this is used.
|
|
ture experiment
|
all are characterized by easy to spot random assignment to treatment/ sometimes it isnt possible to treat randomly so then its is not a true experiment
|
|
quanitative research
|
quantities or numbers, stats
|
|
qualitative research
|
results are discussions of trends and themese based on words not statistics
|
|
external validity threats
|
selection bias, setting differences, more than one treatment
|
|
threats to internval validitiy
|
history, maturation, testing, mortality
|
|
focus groups
|
6-12 particiapnts, who are gathered to discuss a topic.
|
|
grounded theory
|
it is an approach to get data
|
|
open coding
|
transrits of the interviews are examined for distinct ideas which are identified by type and coded.
|
|
axial coding
|
transcripts of the interviews and any other data are reexamined iwth the prupose of identifying relationships between the categories and themes identified during open coding
|
|
extraneous variable
|
is something that gets int he way. or alter the dependant or independent v. For example, in a study examining the effect of post-secondary education on lifetime earnings, some extraneous variables might be gender, ethnicity, social class, genetics, intelligence, age, and so fort
|
|
purposive sampling
|
when researcher they select individ who theyh belive will be good sources of information
|
|
snowball samling
|
convincing one that they need others. ie. a heroin addict, just need one to convince so they help u out
|
|
comfound variable
|
an extraneous variable in a statistical model that correlates (positively or negatively) with both the dependent variable and the independent variable
|
|
formative evaluation
|
info is collected on the process of implementing a program. ie. asking questions aobut the issue
|
|
summartive evaluation
|
includes lognterm ifno for the benefits of aprogram often contains a control group to compare to
|
|
abab treatment
|
treatment is applies then treatment is takena way
|
|
components of research article
|
title page, abstract, intro, methods, results, discussion, references, tables and figures
|