Null hypothesis say about the treatment

Reference no: EM13342227

A researcher selects a sample and administers a treatment to the individuals in the sample. If the sample is used for a hypothesis test, what does the null hypothesis (Ho) say about the treatment?

a) the treatment causes a change in the scores

b) the treatment adds a constant to each score

c) the treatment multiplies each score by a constant

d) the treatment has no effect on the scores

Reference no: EM13342227

Questions Cloud

Mental health counseling : What legal and ethical issues are apparent in the case? List each issue and the corresponding state law or ethical standard. What additional information would you want to obtain in this situation, and how would you proceed in order to obtain it? What..

Explain how the drug influences both brain and behavior : Briefly describe why you chose this drug and how many people are estimated to be using/abusing it. Explain how the drug influences both the brain and behavior. Discuss what you think (if anything) needs to be done to combat addiction to this substanc..

Develop a plan of action to address this situation : Identify the possible legal and ethical issues in this situation and identify the relevant legal and ethical codes that would address these issues. Develop a plan of action to address this situation.

Describe the effect of increasing the alpha level : How do you accurately describe the effect of increasing the alpha level?

Null hypothesis say about the treatment : A researcher selects a sample and administers a treatment to the individuals in the sample. If the sample is used for a hypothesis test, what does the null hypothesis (Ho) say about the treatment?

What is the mean for the treated sample : A treatment is administerd to a sample of n = 9 individuals selected from a population with a mean of u = 80 and a standard deviation of 12. After treatment, the effect size is measured by computing Cohen's d, and a value of d = 0.50 is obtained. Bas..

Hypothesis test produces a z-score in the critical region : If a hypothesis test produces a z-score in the critical region, what decision should be made?

Tricyclic antidepressants are highly toxic : Some research has supported the hypothesis that depressed people think more negatively than others because their thinking is unrealistic or distorted. Tricyclic antidepressants are highly toxic. In bipolar disorder, the initial episode for men is usu..

Cause mental retardation : Why would abnormalities in dendritic growth be likely to cause mental retardation?

User Account

All Pages