A researcher is conducting an experiment to evaluate a treatment that is expected to increase the scores for individuals in a population that is known to have a mean of ? = 80 . The results will be examined using a one-tailed hypothesis test. Which of the following is the correct statement of the null hypothesis?
a. ?> 80 c. ?< 80
b. ?> 80 d. ?< 80
D
Psychology
You might also like to view...
Why are Mary Childress and Kevin Warner's behaviors considered abnormal?
a. because they found it impossible to see reality b. because they were both acutely aware of their disorders c. because their disorders affected their physical health d. because both of their behaviors fits the criteria for one of the DSM-5 categories and they each suffered from a dysfunction
Psychology
Salivation in response to food being placed in the mouth and an eye blink response to a puff of air, are both examples of _______________
A) unconditioned stimuli B) conditioned responses C) conditioned stimuli D) unconditioned responses
Psychology