Everything Surveys
What is physiological measurement used to capture?
measures biological data
What is predictive validity?
Does the measure accurately predict related behavior.
What are the three main types of reliability?
Test-retest, interrater, internal consistency
What’s bigger the sample or population?
population
The correlation coefficient tells you what about the relationship between two variables?
the strength and direction
Watching and recording the behaviors of others is what type of measurement?
observational
Name an issue you can make when asking questions.
Double-barrelled question, leading question, double negative, forced choice
When we say the SAT does a poor job predicting how students do in college, what validity are we referring to?
Predictive
What is a population of interest?
The subset of the world population that the researcher is interested in studying
Why are curvilinear associations hard to detect with the correlation coefficient?
The line of best fit approximates a straight line
What does NOIR stand for?
Nominal, Ordinal, Interval, Ratio
What does it mean to respond by fence sitting?
To only pick the middle option
What bias is the "yea-saying" bias?
Acquiescence
What is an unbiased sample?
A sample that each member of the population has an equal chance of participating
What is the problem with having a restriction of range?
It makes it harder to detect the effect OR it shrinks your correlation coefficient
What is the interval scale of measurement?
Equal intervals between values
What is an observer bias?
When observers see what they want to see
What comes first validity or reliability?
reliability
What is snowball sampling?
Asking participants to recruit people they know for the study
What is the difference between a moderator and a mediator?
A moderator tells you for whom or for what situation
A mediator tells you why
What is the difference between interval and ratio?
Ratio includes a true 0 value
What are the three causal criteria?
Covariance
Temporal precedence
internal validity
What does Internal consistency refer to?
Similarity of item scores within a test
What is random assignment vs random sampling
Random assignment- randomly assigning participants to groups (internal validity)
Random sampling- randomly recruiting participants for the study (external validity)
What language is necessary when describing a regression result?
In the context of the model… OR when controlling for….