PSYC-2018 Final
Subject Variable?
Participant characteristic that can't be manipulated
What is a PxE Design?
Studies an interaction between the person and the envoirnment, Between-subject design
What is a main effect?
Overall effect of a single IV, difference between the mean of the level of of an IV
Interactions?
Occur when the effect of one IV depends on the level of another IV
Mixed-factorial design?
mix of between and within subject design in the same experiment
Mixed P x E?
P factor is between subjects and E factor is within subjects
Aptitude-treatment interaction?
P x E for psychotherapy, Aptitude = person and treatment = the manipulation
Simple effect analysis?
Comparing each of the levels of one factor with each level of other factor
Who created the first survey?
Darwin and Galton
Main stregnth of interview format surveying?
More in depth info gathered
What is predictor variable and criterion variable?
Criterion: variable being predicted
Predictor: Variable doing the predicting
use of regression equation
Predict a second variable based on the first
Random assignment in between subject design?
Non-equivilent groups
Difference between multilevel designs and two-level?
Multilevel can have a non-linear effect
What graph is best for 2 things?
Bar
What graph is best for 2 plus things
Line
What multi-level indpendant group design should be used for three groups?
One Way ANOVA
When is a post hoc used
After an ANOVA where a signifignat effect
Yerks-Dodson study?
stress and task performance
Yoked control group
Participants in control group paired with someone in the experiemental
number of conditions?
Multiply
Level
Number of levels value of each IV
No main effect when?
All outcomes are the same number, only an interaction
criterion validity?
Does test predict what will happen in the future
COnstruct validity
Does the test properly measure what it is supposed to
Mean describes what?
Sitrbution of scores