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1. If you are told only that you scored in the 80th percentile, do you know from that description exactly how it was calculated? Explain.
Use the following information to answer the next three exercises: A Lake Tahoe Community College instructor is interested in the mean number of days Lake Tahoe Community College math students are absent from class during a quarter.1.1. What is the population she is interested in?a. all Lake Tahoe Community College studentsb. all Lake Tahoe Community College English studentsc. all Lake Tahoe Community College students in her classesd. all Lake Tahoe Community College math students
2. The instructor takes her sample by gathering data on five randomly selected students from each Lake Tahoe CommunityCollege math class. The type of sampling she used isa. cluster samplingb. stratified samplingc. simple random samplingd. convenience sampling This study investigated the cognitive effects of stimulant medication in children with mental retardation and Attention-Deficit/Hyperactivity Disorder. This case study shows the data for the Delay of Gratification (DOG) task. Children were given various dosages of a drug, methylphenidate (MPH) and then completed this task as part of a larger battery of tests. The order of doses was counterbalanced so that each dose appeared equally often in each position. For example, six children received the lowest dose first, six received it second, etc. The children were on each dose one week before testing. This task, adapted from the preschool delay task of the Gordon Diagnostic System (Gordon, 1983), measures the ability to suppress or delay impulsive behavioral responses. Children were told that a star would appear on the computer screen if they waited "long enough" to press a response key. If a child responded sooner in less than four seconds after their previous response, they did not earn a star, and the 4-second counter restarted. The DOG differentiates children with and without ADHD of normal intelligence (e.g., Mayes et al., 2001), and is sensitive to MPH treatment in these children (Hall & Kataria, 1992). Design Issues This is a repeated-measures design because each participant performed the task after each dosage. Descriptions of VariablesVariable Description d0 Number of correct responses after taking a placebo d15 Number of correct responses after taking .15 mg/kg of the drug d30 Number of correct responses after taking .30 mg/kg of the drug d60 Number of correct responses after taking .60 mg/kg of the drug What is the independent variable of this experiment? How many levels does it have? other question is on attachment number 84.
What proactive stances has Southwest airlines taken in regards tosocial marketing.NOT SOCIAL MEDIA, proactive stance of SWA in regard to social marketing.
Strengths of EBP
when writing a causeeffect paper one must take a scenario in which the event caused particular effects to occur. then
The financial cost of street crime is __________ of the cost of white-collar crime.
Identify premises and conclusion of argument. Is the argument inductive or deductive? If deductive is it valid or invalid? If inductive is it a strong or weak argument?
The theoretical foundations of qualitative and quantitative methods are very different, but many researchers believe both methods should be used in the research study to increase validity and reliability. What advantages or disadvantages do you see i..
Choose TWO of the areas listed below and analyze how each area’s relationship to global trade patterns changed from 1750 to present. Be sure to describe each area’s involvement in global patterns around 1750 as your starting point.
Will you use your entire portfolio each time or edit it when necessary?
you are the new chief information officer for acme widgets. the president of the company recently asked you what you
Using appropriate examples explain how other companies can benefit from: (i) related diversification and (ii) Unrelated diversification
as an environmentalist you are very interested in how economics plays a role in determining how many and what type of
considerthe following workplace trends within and outside health care require employees to connect with an
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