Quiz 2: A Reading and Evaluating Scientific Research
Psychology
Free
True False
True
Q 2Q 2
If someone takes an intelligence test several times and receives the same score,the test is considered to have high validity.
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True False
False
Q 3Q 3
Using random sampling increases the likelihood that the results from a sample will generalize to the population.
Free
True False
True
Q 4Q 4
In a double-blind experiment,neither the participant nor the researcher knows which treatment group the participant is in.
Free
True False
Q 5Q 5
Once the results of a study have been peer reviewed and published,they are considered accurate,even if other researchers cannot replicate them.
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True False
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True False
Q 7Q 7
A correlation coefficient of -.80 represents a stronger relationship than a correlation coefficient of +.50.
Free
True False
Q 8Q 8
If researchers find that the number of books read by fifth-grade students is positively correlated with their scores on an intelligence test,it would be correct to conclude that having children read more increases their intelligence.
Free
True False
Q 9Q 9
Emmerson designs an experiment to test whether drinking a protein shake after weightlifting increases muscle development.The independent variable in Emmerson's experiment is the protein shake.
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True False
Q 10Q 10
Asking participants to write about upsetting or traumatic experiences can put them at risk for cognitive and emotional stress.However,there might also be potential benefits of coping through expression.Research ethics boards (REB)weigh the risks and benefits of research.
Free
True False
Free
True False
Q 12Q 12
The right to give informed consent stays with a volunteer throughout the entire study,and they should be able to withdraw at any point.
Free
True False
Free
True False
Q 14Q 14
For security and confidentiality reasons,once the results of a study are reported in a journal or at a conference,the data should be destroyed.
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True False
Free
True False
Free
True False
Q 17Q 17
When a distribution is skewed,the median is a better measure of the "average" than the mean.
Free
True False
Q 18Q 18
If the distribution of quiz scores for a class has high variability,most of the students scored within a few points of each other.
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True False
Q 19Q 19
If researchers find a statistically significant result,they would be likely to find the same result if they replicated the study again.
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True False
Q 20Q 20
If researchers calculate a large standard deviation,it indicates that there is a low level of variability in the data.
Free
True False