AND CORRECT ANSWERS GRADED A+
If you toss a coin and it comes up tails on eight consecutive tosses, what is the
likelihood it will come up heads on the ninth toss?
1/2
"Engaging in aerobic activity three times each week will reduce cholesterol levels"
is a:
testable hypothesis.
Which of the following questions would be LEAST helped by application of the
scientific method?
formulating public policy on euthanasia
Biological literacy is the ability to
All of the above are components of biological literacy.
Superstitions are:
,irrational beliefs that actions not logically related to a course of events influence its
outcome.
If your hypothesis is "Echinacea reduces the duration and severity of the common
cold," which of the following is the BEST testable prediction for this hypothesis?
If echinacea reduces the duration and severity of the symptoms of the common
cold, then individuals taking echinacea who get sick should have illness that do not
last as long.
Pseudoscience capitalizes on the belief shared by most people that:
scientific thinking is a powerful method for learning about the world.
All of the following are branches of science EXCEPT:
logic.
When a chewing gum manufacturer makes the claim, "Four out of five dentists
surveyed recommend sugarless gum for their patients that chew gum," how many
dentists need have been surveyed for the statement to be factually accurate?
five
Why is it that creationism can never be accepted as a scientific explanation of the
origin of life?
,Because the ideas of creationism cannot be tested through experiment and
observation.
The scientific method will never prove or disprove:
Only a) and b) are examples of statements that the scientific method will never
prove or disprove.
Alon claimed that a tincture of a local herb was effective in lowering anxiety and
was planning to invest in the product. As evidence of his claim, Alon, who had
anxiety over his financial situation, said that he felt much better after the treatment,
was much more relaxed, and no longer worried about his finances. Which of the
following combinations of methodological flaws BEST characterizes Alon's
investigation?
lack of appropriate outcome measure, replication, randomization, and controls
Scientific study always begins with:
observations.
Suppose you measure the height of two people. One is a woman who is 5 feet 10
inches tall. The other is a man who is 5 feet 6 inches tall. Which of the following is
an appropriate conclusion to draw from these measurements?
Some women are taller than some men.
Which of the following statements is CORRECT?
, A hypothesis that does not generate a testable prediction is not useful.
In science, theories tend to be ______________________ than hypotheses.
broader in scope
Biology is to science as ________ is to ________.
basketball; sports
When conducting a critical experiment to test whether taking echinacea reduces the
duration or severity of a cold, which of the following is NOT an important step?
exposing some groups, but not others, to the cold virus
Science is self-correcting. This means that:
science actively seeks to disprove its own theories and hypotheses.
Scientific data:
are used to support or refute a hypothesis.