Who knows whether they receive experimental treatment or placebo in double blind experiments?

neither the researcher or subjects

Validity involves which 2 factors?

fair test and minimal uncontrolled variables

The dependent variable

changes in response to the independent variable

Reliable data refers to

how similar data is for multiple tests

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GSG Y11 Scientific Method

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Questions 13

Answers

1
Who knows whether they receive experimental treatment or placebo in double blind experiments?
subjects
neither the researcher or subjects
no one
researchers
2
Graphing qualitative data involves drawing a
scatter plot
column graph
pie chart
line graph
3
Testing a hypothesis always comes before recognising a problem in the scientific method
False
True
4
Validity involves which 2 factors?
valid hypothesis and valid variables
fair test and control variables
fair test and minimal uncontrolled variables
accuracate and reliable data
5
The dependent variable
is the variable you change
depends on the hypothesis
is the variable you keep the same
changes in response to the independent variable
6
The placebo effect is the improvement of patients when given a 'dummy' treatment
False
True
7
Systematic errors occur because of
unpredictable errors
human mistakes
all of the above
experimental designs
8
Accuracy refers to using the correct equipment and obtaining values close to true measurements
False
True
9
Which of the following is NOT an ethical consideration for human experiments?
amount of pain involved
voluntary participation
informed consent
confidentiality
10
A good hypothesis has which of the following qualities?
all of the above
is not a question
includes the independent and dependent variables
makes a prediction
11
A fair experiment involves a
equal chance of supporting the hypothesis
control and experimental group
all of the above
control group
12
Data tables always have the independent variable on the left hand side
False
True
13
Reliable data refers to
how similar data is for multiple tests
minimising experimental errors
using the same equipment for multiple tests
reliable scientists performing the experiment

GSG Y11 Scientific Method Flashcards | StudBud