Term
|
Definition
| The probability of a Type II error |
|
|
Term
|
Definition
| The probability of Type 1 Error |
|
|
Term
|
Definition
| A test that rejects extreme outcomes in either tail of the distribution |
|
|
Term
|
Definition
A specific distribution having a characteristic bell shaped form |
|
|
Term
|
Definition
The statistical hypothesis tested by the statistical procedure; usually a hypothesis of no difference or no relationship |
|
|
Term
|
Definition
| A test that rejects extreme outcomes in one specified tail of the distribution. |
|
|
Term
|
Definition
| The probability that a particular result would occur by chance if Hknot is true; the exact probability of a type I error. |
|
|
Term
|
Definition
| Numerical values summarizing population data |
|
|
Term
|
Definition
| Set of actual observations; subset of the population |
|
|
Term
|
Definition
| A sample in which each member of the population has an equal chance of inclusion |
|
|
Term
|
Definition
The distribution of a statistic over repeated sampling from a specified population |
|
|
Term
|
Definition
| Variability of a statistic from sample to sample due to chance |
|
|
Term
|
Definition
| Definition of probability in terms of personal subjective belief in the likelihood of an outcome |
|
|
Term
|
Definition
| A test that rejects extreme outcomes in either tail of the distribution |
|
|
Term
|
Definition
| The error of rejecting H knot when it is true |
|
|
Term
|
Definition
| The error of not rejective Hknot when it is false |
|
|
Term
|
Definition
| Number of standard deviations above or below the mean |
|
|
Term
|
Definition
| Complete set of events in which you are interested |
|
|
Term
|
Definition
| Variability of a statistic from sample to sample due to chance |
|
|
Term
|
Definition
| A systematic procedure for determining whether the results of an experiment provide support for a particular theory or practical innovation. |
|
|
Term
| Random Assignment Model of HT |
|
Definition
| No assumptions are made about relating the outcome back the population. |
|
|
Term
| Random Sampling Model of HT |
|
Definition
| Derived from idea that the sample is representative of a larger population |
|
|
Term
|
Definition
| Defined by the researcher in terms of behavior to be examined and represents the random behavior of any group in the absence of any treatment having been imposed on the members of the population. |
|
|
Term
|
Definition
| Assumed to be representative of the Population, therefore PRIOR to imposing experimental procedure, also reflects random behavior. |
|
|
Term
|
Definition
| Will not differ from the population (Symbols) |
|
|
Term
|
Definition
| Will differ from the population; non-directional (Symbols) |
|
|
Term
|
Definition
|
|
Term
|
Definition
| FAIL TO REJECT THE NULL; SUSPEND JUDGEMENT |
|
|
Term
| What does it mean when you fail to reject the null? |
|
Definition
| Nothing systematic is happening in data; |
|
|
Term
|
Definition
|
|
Term
| What does it mean when you reject the null? |
|
Definition
| Something in the data represents a systematic change |
|
|