Quiz
Chapter 7 - RDA1 definitions
Create a free account to finish this quiz
Save your progress and see your final score.
Already have an account? Sign in
Questions in this quiz (33)
1The difference between the observations in a population and in the sample that represents that population in a study
- ASampling error
- BCritical region
- CConfidence interval
- DType I error
2Measures that help us summarise data sets
- ADescriptive
- BInferential
- CCentral tendency
- DVariability
3A set of statistical procedures used by researchers to test hypotheses about populations
- AInferential stats
- BDescriptive stats
- CCentral tendency
- DDistribution
4A set of scores
- ADistribution
- BCentral tendency
- CVariability
- DDescriptive stats
5Representation of a typical score in a distribution
- ACentral tendency
- BVariability
- CDistribution
- DRange
6The spread of scores in a distribution
- AVariability
- BCentral tendency
- COutliers
- DMode
7The calculated average of the scores in a distribution
- AMean
- BMedian
- CMode
- DRange
8The middle score in a distribution, such that half the scores are above and half are below that value
- AMedian
- BMode
- CMean
- DInterquartile range
9The most common score in a distribution
- AMode
- BPercentile
- CMedian
- DInterquartile range
10Extreme high or low scores in a distribution
- AOutliers
- BSampling error
- CConfidence interval
- DDegrees of freedom
11Measurement of the length of time to complete a task
- AReaction time
- BResponse rate
- CStandard deviation
- DVariance
12Difference between the highest and lowest scores in a distribution
- ARange
- BInterquartile range
- CPercentile
- DStandard deviation
13A measure representing the average difference between the scores and the mean of a distribution
- AStandard deviation
- BVariance
- CRange
- DMode
14The standard deviation of distribution squared
- AVariance
- BSampling error
- CInterquartile range
- DDegrees of freedom
15Number of scores that can vary in the calculation of a statistic
- ADegrees of freedom
- BFrequency distribution
- CVariance
- DPredictor variable
16A graph of a distribution showing the frequency of each response in the distribution
- AFrequency distribution
- BBar graph
- CLine graph
- DScatterplot
17A graph of the means for different conditions in a study where each mean is graphed as a point and the points are connected in a line to show differences between mean scores
- ALine graph
- BBar graph
- CScatterplot
- DBoxplot
18A graph showing the relationship between two dependent variables for a group of individuals
- AScatterplot
- BLine graph
- CFrequency distribution
- DHistogram
19The dependent variable in a correlational study that is used to predict the score on another variable
- APredictor variable
- BOutcome variable
- CIndependent variable
- DDependent variable
20The dependent variable in a correlational study that is being predicted by the predictor variable
- AOutcome variable
- BDependent variable
- CIndependent variable
- DPredictor variable
21The hypothesis that an effect or relationship exists in the population
- AScientific/alternative hypothesis
- BNull hypothesis
- CTwo-tailed hypothesis
- DOne-tailed hypothesis
22The hypothesis that an effect or relationship does not exist in the population
- ANull hypothesis
- BScientific/alternative hypothesis
- CTwo-tailed hypothesis
- DOne-tailed hypothesis
23Both directions of an effect or relationship are considered in the alternative hypothesis
- ATwo-tailed hypothesis
- BOne-tailed hypothesis
- CCasual hypothesis
- DDescriptive hypothesis
24Only one direction of an effect or relationship is predicted in the alternative hypothesis
- AOne-tailed hypothesis
- BTwo-tailed hypothesis
- CNull hypothesis
- DDescriptive hypothesis
25The distribution of all possible sample means for all possible samples from a population
- ADistribution of sample means
- BConfidence interval
- CAlpha level
- DCritical region
26A range of values that the population mean likely falls into with a specific level of certainty
- AConfidence interval
- BDistribution of sample means
- CSignificant test
- DP value
27The probability level used by researchers to indicate the cutoff probability level that allows them to reject the null hypothesis
- AAlpha value
- BP value
- CSignificant test
- DCritical region
28Probability value associated with an inferential test that indicates the likelihood of obtaining the data in a study when the null hypothesis is true
- AP value
- BAlpha level
- CSignificant test
- DCritical region
29The p value is less than or equal to alpha in an inferential test, and the null hypothesis can be rejected
- ASignificant test
- BCritical region
- CP value
- DAlpha value
30The most extreme portion of a distribution of statistical values for the null hypothesis determined by the alpha level (typically 5%)
- ACritical region
- BSignificant test
- CP value
- DAlpha level
31The researcher rejects the null hypothesis when it is true
- AType I error
- BType II error
- CSampling error
- DPower
32The researcher fails to reject the null hypothesis when it is false
- AType II error
- BType I error
- CSampling error
- DConfidence interval
33Ability of a significance test to detect an effect or relationship when one exists
- APower
- BType I error
- CType II error
- DAlpha level
Information
- Description
- Degree Psychology Year 1 - Semester 2 (RDA1) Quiz on Chapter 7 - RDA1 definitions, created by Róisín Farmer on 03/05/2016.
- Author
- Róisín Farmer
- Language
- English
- Views
- 0
- Tags
- Rating
- No ratings yet Rate this quiz