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13 Cards in this Set
- Front
- Back
- 3rd side (hint)
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Which of these descriptive statistics would it be possible to use with nominal data? Mean, Median, Mode, Range |
Mode - can be put into categories. |
One of them is a measure of dispersion. |
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Which is not a measure of dispersion? Mean, Range, Standard Deviation, Variance. |
Mean |
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What is the probability of a significant result occuring by chance where the significance level is p≤0.025? 2.5% or less, 25% or less, at least 97.5%, less than 2.5%. |
2.5% or less |
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Which feature of science refers to the importance of being able to refute a psychologist's claim? Deduction, Face Validity, Falsification, Verification. |
Falsification |
Refute means to prove something wrong |
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A researcher found a strong correlation between the number of followers a person has on twitter and how happy they are on a scale of 1-10. What levels of measurement has been gathered? Ordinal & Interval, Both Ordinal, Nominal & Ordinal, Both Interval. |
Ordinal & Interval |
2 different types |
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If a correlation co-efficient is 0.82 would the correlation be... Positive, Normal, Negative, or have no correlation? |
Positive |
Co-efficients only have a scale of -1 to 1 |
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Which is requirement of a parametric test? Data is at least ordinal level, Means scores are significantly different, Sample is drawn from a skewed population, Standard Deviations are not significantly different. |
Standard Deviations are not significantly different |
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What data and design is used for a binominal sign test? |
Nominal level data and a Repeated Measures design |
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What data and design is used for a chi-squared test? |
Nominal level data and an Independent Measures design |
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What data and design is used for a Wilcoxon Signed test? |
Interval/Ordinal level data and a Repeated Measures design |
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What data and design is used for a Mann-Whitney U Test? |
Internal/Ordinal level data and an Independent Measures design |
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What data and design is used for a Spearman's Rho Test? |
Interval/Ordinal level data and a correlation is used |
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If a significance level is too lenient, what type of error can this lead too? Type 1 or Type 2 |
Type 1 |
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