Google ‘bad graph’. Select any of the numerous examples that will be shown in the search results and explain three things you think make it a bad graph. Include a picture of the graph in your answer (include a reference url).
In no more than 150 words, explain the differences between research based on an experimental design, a quasi-experimental design and an observational study.
Read the Motulsky et.al. (2014) journal article provided on the StudyDesk and in 200 words or less describe your understanding of p-hacking and why it is considered a bad approach to research. Do NOT copy sections of text directly out of the Motulsky paper – your answer MUST be in your own words.
Read the Broman & Woo (2017) journal article provided on the StudyDesk.
Some data collected and entered into a spreadsheet is shown below. Identify four potential problems with this data entry.
|Mouse||heart rate bpm||sex||age|
Join the objects below with arrows showing relevant relationships, identify the relationships and then provide a definition of the 4 terms named in the objects.
The average length of mouse tails was measured to see if there was a difference in tail length between black and white mice. Based on a t-test a highly significant difference was found (p<0.001)
Using the additional information below, comment on how you would interpret this ‘significant’ result.
|White Mice||Black Mice|
Read the Ioannidis et.al. (2005) journal article provided on the StudyDesk and in 200 words or less describe your understanding of ‘effect-size’ and how it can affect research results. Include in your answer some discussion of the relationship between effect-size and sample-size on the research outcomes. Do NOT copy sections of text directly out of the Ioannidis paper – your answer MUST be in your own words.
Complete the table below by indicating the appropriate graph type for each variable type:
Complete the table below by indicating the appropriate graph type for each combination of variables:
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