Hypothesis Testing Flashcards
The ___ level represents the difference between the sample and the population:
Significance
The point of analysis at which the null hypothesis is either accepted or rejected is called:
The region of rejection
The ____ hypothesis is an ‘educated guess’ that the treatment/intervention will have no effect:
Null
The ____ hypothesis is an ‘educated guess’ that the treatment/intervention will have an effect:
Alternative
Methods of data collection used to make inferences about the characteristics of a population are known as:
Inferential statistics
This value defines the absolute threshold for a value to be statistically significant:
Alpha
In psychology, the alpha value generally sits at ___ or ___:
.05; .01
A ______ test asses the half of a sampling distribution that falls above the mean:
One-tailed
A directional alternative hypothesis is used when evidence suggests that the treatment/intervention:
Will have an effect in a specific direction
_____ ____ are made when one’s choice to accept or reject the null hypothesis is ____:
Decision errors; wrong
This value represents the statistical probability that a type 2 error is made:
Beta