Social Studies, 13.02.2020 04:08 neariah24
A researcher noticed that as the prevalence of cell phone usage increased between the years of 1998 and 2010 so did the number of individuals diagnosed with autism. He decided that cell phone usage by expectant mothers was causing autism. Which of the following would NOT be helpful in evaluating his assumption?
A. The researcher should develop a clearly testable and falsifiable hypothesis.
B. The researcher should carefully design a reproducible experiment.
C. The researcher's experiment should include thousands of participants from all gender, socioeconomic, racial, and ethnic groups both with and without autism.
D. The researcher should use a small sample size (20 participants)of autistic children and their mothers to support the hypothesis.
Answers: 3
Social Studies, 22.06.2019 09:50
Click on the link to view information gathered by the organization keep america beautiful. read "the costs of american littering" to find three negative effects of litter in local communities. based on your research, what are the negative effects of litter in local communities? check all that apply.litter cleanup is very expensive.litter has decreased since 1969.litter is a constant community problem.litter causes property in the community to be less valuable.litter contaminates water and has other environmental consequences.
Answers: 3
Social Studies, 22.06.2019 10:00
In a citizens elect the president as head of government separately from the legislature. question 1 options: parliamentary democracy communist state presidential democracy autocratic state
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Social Studies, 22.06.2019 16:30
Nami conducts an investigation on plants. she places a grow light on a timer to give the plants different amounts of light to see if this would affect their growth. in this investigation, the amount of light is the .
Answers: 3
A researcher noticed that as the prevalence of cell phone usage increased between the years of 1998...
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