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Business, 31.08.2019 22:00, Mtross30

True or false: a researcher interested in vocabulary development obtains a sample of three-year-old children to participate in a research study. the average score for the group of 20 is an example of a parameter.

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Mathematics, 16.07.2019 01:30, scott5315

Research results suggest that children with adhd tend to watch more tv than children who are not diagnosed with the disorder. to examine this relationship, a researcher obtains a random sample of n = 36 children, 8 to 12 years old, who have been diagnosed with adhd. each child is asked to keep a journal recording how much time each day is spent watching tv. the average for the sample is m = 4.9 hours. it is known that the average time for the general population of 8 to 12 year-old children is µ = 4.1 hours per day, with σ = 1.8. a. are the data sufficient to conclude that the time spent watching tv is significantly different for children with adhd than for children without the disorder? use a two- tailed test with α = .05. - show your work. b. compute cohen’s d for this study. c. write a summery statement + apa line.

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Social Studies, 31.07.2019 11:00, AnActualTrashcan

Aresearcher is interested in comparing reaction time differences between men and women. he obtains a sample of 45 students from a psychology student research database. participants take part in the study, the data are later analyzed, and the researcher concludes that woman have faster reaction times compared to men. what is a potential limitation of the study's conclusion?

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Health, 27.09.2019 03:10, zenaidazurita1p6bs1d

If a researcher was interested in learning how children's moral development changes between the ages of three and five, the researcher may follow them until they are five, testing them periodically. this research strategy is known as research.

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