Basic Terms
This letter stands for probability.
What is p or p-value
This type of variable, often represented by x, does not depend on another variable.
What is independent variable
This is an used when you want to predetermine the percentage of demographics, like gender or age, of your sample.
What is a quota
This type of relationship is not causal.
What is a correlation
The type of statistics is used to describe a group, population, or situation.
What is descriptive statistics
Values, motivations, or lifestyle are each examples of this type of variable.
What is a psychographic variable
This type of design can infer cause-and-effect and can try to disentangle the “why” or process.
What is experimental design
This test allows us to create a predictive relationship as represented by a function, for example, a line.
What is a regression
This statement is a starting point when testing a population and includes an outcome that might occur.
This type of variable can assume an infinite number of real values within a given interval.
What is continuous variable
This study involves repeated measures to follow individuals over periods of time.
What is longitudinal study
By asking "Are years spent running and spend on running shoes positively related?" you would use this statistic to find the answers.
What is a correlation
A form of hypothesis that is deemed true until proven wrong.
What is null hypothesis
Brooks NPS score (ex. 82) is an example of this type of variable because it depends on a series of independent variables.
What is a dependent variable
To test one brand with different consumers, you would design this type of study.
What is a between-subjects study
This test is used to determine if there is a significant difference between the means of two groups.
What is a t-test
In a random sampling, there will be more people around the middle than the ends, creating this distribution.
What is normal distribution
"Less than $65, $65 to $84, $85 to $99, $100 to $119, etc." are examples of this type of variable.
What is a discrete or categorical variable
To test different brands with the same consumer, you would design this type of study.
What is within-subjects study
This test is used to determine differences between three or more groups.
What is an ANOVA