WorksheetsN1.3 Science of Nutrition
Total questions: 27
Worksheet time: 22mins
The study of how genes interact with what we eat and how those interactions impact the body is known as
nutritional genomics
nutrition
genetics
science
Anecdotes are considered reliable scientific evidence.
true
false
An experimental study seeks to find out the impact of a Vitamin D supplement on blood levels of that vitamin. Some subjects are given a pill that looks the same as the Vitamin D pill, but it contains only water. This kind of pill is a(n)
placebo
control
variable
hypothesis
Experiments are usually easier to carry out
Experiments can usually give better evidence of causation
Bias cannot happen in experiments
Observational studies cannot use random samples
Why do we want our experiments to have random elements in them?
To reduce variability
To increase variability
To reduce bias
To increase bias
An experiment in which neither the researcher nor the subject what treatment (or any treatment) is being administered.
Double Blind Experiment
Truly Random Experiment
Unknown Experiment
One-Track Experiment
What is a hypothesis?
the thing changed on purpose in the experiment
an explanation about what you observed
using your 5 senses to gather data
an educated guess about the outcome of an experiment
When is a hypothesis written?
before you decide on a question
after the experiment
before the experiment
after the conclusion
A hypothesis is never wrong.
True
False
Which of the following should be considered in a peer review? (Choose all that apply.)
How appropriate the methods were
How ethical the study was
How valid the findings are
How original and relevant the research is
Whether the result was significant or not
Who reviews a research report as part of peer review?
Experts in a similar field
Experts in a different field
Non-experts who have an interest in the field of research
Only the editor of the journal
Epidemiological studies are focused on collecting data about
a population
experiments
variables
hypotheses
Which epidemiological study method looks at a population at one point in time?
cohort
cross-sectional
case-control
experimental
Which epidemiological study method compares individuals affected by a condition with those who do not have the condition?
cohort
cross-sectional
case-control
experimental
Which epidemiological study method looks at a small population over time?
cohort
cross-sectional
case-control
experimental
Experiments completed in a laboratory setting, such as in a test tube or petri dish, are known as _____ studies.
in vitro
in vivo
controlled
variable
An author summarizes the findings all of the papers that have been written about calcium intake and osteoporosis incidence over the past 5 years. They describe the results using words and descriptions only. Their published article would be considered a(n) _____ review.
systematic
meta-analysis
quantitative
peer
None
None
None
A correlation shows that two variables
Are Related
Cause Each Other to Happen
Are Unrelated
Your research findings suggest “the less vitamin C, the fewer colds.”
What do your findings suggest?
No correlation
A positive
correlation
A negative
correlation
A placebo effect
Validity
Which section of a research article describes the study design, subjects, and procedures that were performed as part of the experiment?
methodology
abstract
references
introduction
hypothesis
A personal account of an event
(a)
An inactive substance given to some subjects during a controlled research study.
(a)
