If a researcher predicts that the experimental treatment will produce a decrease in an independent samples t-test 
,how will the null hypothesis be stated?
Definitions:
Graphic Rating Scales
A method used in performance appraisals where employees are rated on a scale to evaluate their work performance.
Maintenance Stage
a phase in the life cycle of a product, service, or system where the focus is on sustaining performance through regular upkeep and repair.
Graphic Rating Scale
A graphic rating scale consists of a statement or question about some aspect of an individual’s job performance.
Management-by-Objectives System
A performance management approach where managers and employees agree on specific performance objectives.
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