Basic Stats Psychology Null Hypothesis Testing covers z tests and inferential st

Question

Basic Stats Psychology
Null Hypothesis Testing
covers z tests and inferential statistics

a. The _________________ hypothesis indicates that there is no significant difference between means or no relationship between variables. If this hypothesis is true, any difference or relationship detected in a sample is likely due to _______________.

b. The _________________ hypothesis implies that there is a relationship between variables or a difference between means.   If it is a ____________ hypothesis it will predict a specific direction of the expected relationship or difference. If it is a _________ hypothesis, it will not predict a specific direction of the difference or relationship.

Explanation / Answer

a. Null hypothesis indicates that there is no significant difference between means or no relationship between variables. Any relationship detected is due to chance error.

b. Alternative hypothesis- implies relationship between variables.

Directional alternative hypothesis- will predict specific direction

And non directional alternative hypothesis do not predict a specific direction between relationship

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