Hypothesis Testing
The most common alpha level used in most psychology research.
What is 0.05?
The number of individuals in the sample.
What is N (I'll accept n)?
The stability or consistency of a measure.
What is reliability?
As scores on variable X go down, scores on variable Y also go down. This describes a ___________ correlation.
What is a positive correlation?
A usually very large set of people about which we are interested in drawing conclusions.
What is the population?
A prediction about the population stating that a treatment has no effect or that an effect is zero.
What is the null hypothesis?
The mean of the population
What is mu?
The likelihood that inferences made in one study can be generalized to other relevant populations and settings
What is external validity?
A correlation becomes stronger as r gets closer to these two values.
What are 1 and -1?
A biopic about this famous folk singer, starring Timothee Chalamet, recently hit theaters.
Who is Bob Dylan?
The decision that is made when z-obt is more extreme than z-crit.
What is "to reject the null hypothesis"?
Taylor Swift's current love interest plays for this professional sports team.
Who are the Kansas City Chiefs?
The level of confidence with which we can infer causal relations between variables in a research study.
What is internal validity?
The correlation coefficient is used to measure the ______ and ______ of the linear relationship between two factors.
What are the magnitude (or strength) and direction?
A term used to describe when Pps are selected because they are easy to recruit.
What is convenience sampling?
This type of test examines whether the sample ("test") statistic is extreme in a specific direction. For example, HA: mu(treated) > 50.
What is a one-tailed test?
The variance in a sample.
What is s-squared?
Random assignment to treatment group is one way to increase this.
What is internal validity?
Regression differs from correlation in that it has this goal in mind.
What is prediction?
This present-day item accidentally appeared in an episode of Game of Thrones
What is a Starbucks coffee cup?
In a sampling distribution from a population in which the null hypothesis is true, the name for the part of the distribution that contains low-probability values.
What is the critical region?
This popular TV sitcom earns the most money in syndication
What is Friends?
Even if a lab study is artificial (i.e., does not resemble a "real world" situation), it can still elicit the psychological state that would be experienced in the "real world." The term used to describe this is....
What is experimental/psychological realism?
In regression, this indicator tells you how much variance in the outcome is explained by your predictor.
What is R-squared/The Coefficient of Determination?
Term used to describe when every member of a population has an equal chance of being a study participant.
What is random sampling?