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BIOS 105 Test 1
- The following graphs show different data sets that reflect the impact of medication on
recovery time. Click on each graph that shows a statistically significant difference between
the placebo and experimental groups. Select all that apply.:
Answer Bottom 2 with big differences
- An experiment was conducted on the impacts of an herbal supplement on blood cholesterol
levels. The conclusion claims that the herbal supplement reduces blood cholesterol levels.
Select all of the following that would indicate confidence in the results.:
Answer - large sample sizes were used
- one group was used as the placebo group
- the research was carried through a double-blind study
- small error bars that do not overlap
- Researchers made the following prediction based on the hypothesis: The medicinal
treatment would (increase/decrease) the recovery time for the ill- ness.:
Answer Decrease
- The graph indicates that the mean of the treatment is (greater/smaller) than the mean of the
placebo.:
Answer Smaller
- Notice the large error bars. This means that there was a (large/small) amount of variation in
the data.:
Answer Large
- Because of the (overlap/lack of overlap) in confidence intervals, the results (are/are not)
significantly different from one another.:
Answer Overlap; are not
- Because the results (are/are not) statistically significant from each other, researchers reject
the hypothesis and conclude that the medicinal treatment does not decrease the recovery time
for the illness.:
Answer Are not
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- Sarah's initial information was from a website that offered cupping as a service.
Because of this, the credibility of the source would be considered (low/high).:
Answer Low
- The website did offer a graph from a scientific study. However, no source was offered.
Because of this, the credibility of the source would be considered (low/high).:
Answer Low
- The graph compares the for individuals that have received cup-
ping and for those that have not received cupping.:
Answer quality of life
11. The average scores for cupping are (lower/higher) than for no cupping.: -
Answer Higher
- The error bars between the group that received cupping and the group
that received no cupping.:
Answer Overlap
- This means that the results (are/are not) significant, so there (is/is no) significant
difference in the with the addition of therapeutic cup-
ping.:
Answer are not; is no; quality of life
- The following descriptions are of various sources that are available for writing a
scientific paper. Rank them in order from most to least reliable.:
Answer 1. One of the leading academic journals within the field of biology
- A university-sponsored website with references listed
- A university-sponsored website without references listed
- A friend's social media post that lacks a reference
- A website that sells herbal supplements
- Complete each of the following statements to describe the parts of the scientific
method. Then, place the sentences in the correct order in which the scientific method tends
to flow.:
Answer
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