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PCOL 440 Final Exam Questions With Correct Answers

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©SIRJOEL EXAM SOLUTIONS 12/3/2024 11:27AM PCOL 440 Final Exam Questions With Correct Answers First Successful Vaccination Year - answer1800 Publication Bias - answerFailure to publish study results due to lack of effect or unanticipated effect Data Dredging Bias - answerDistortions that ari...

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  • October 20, 2024
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©SIRJOEL EXAM SOLUTIONS
12/3/2024 11:27AM



PCOL 440 Final Exam Questions With
Correct Answers


First Successful Vaccination Year - answer✔1800


Publication Bias - answer✔Failure to publish study results due to lack of effect or unanticipated

effect


Data Dredging Bias - answer✔Distortions that arise from presenting results of unplanned

statistical tests as if they were a planned part of the analyses.


Selection Bias - answer✔A form of bias that arises when the population under study (cells,

tissues, people) differs from the total population in some systematic way.


Observer Bias - answer✔The process of observing and recording information that includes

systematic discrepancies from the truth.


Disinformation - answer✔A highly organized attempt to deceive populations into believing an

idea through the use of deliberately distorted information that is secretly leaked into the

communication process in order to deceive and manipulate.


Misinformation - answer✔Claims that are false but are not deliberately designed to deceive.

, ©SIRJOEL EXAM SOLUTIONS
12/3/2024 11:27AM


Y-axis on Bar Graphs - answer✔Should extend to zero


Flexible X-axis Scaling - answer✔X-axis scaling can vary in proportion over its length


Independent Variable - answer✔Condition manipulated or changed in an experiment


Dependent Variable - answer✔An observed or measured change during an experiment,

experimental data


Control in an Experiment - answer✔Conditions that are not changed in an experiment


In a line graph, the y-axis must extend to zero - answer✔False


Experimental research is - answer✔An iterative process


Imatinib (aka STI571, Gleevec, Glivec) is an example of a clinically effective agent borne of the

scientific method and clinical trials. - answer✔True


Everything communicated through the scientific literature is correct - answer✔False


Varying the scaling of the x-axis on a line graph is OK in order to prove a point. - answer✔False


With respect to the graph select all TRUE statements - answer✔The graph does not use

proportional amounts of ink to display the data

Overemphasizes the change seen in the dependent variable (y-axis) in relation to the independent

variable (X-axis)

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