978501
Descripción
Test por connie.coombs, actualizado hace más de 1 año
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Creado por connie.coombs
hace casi 10 años
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Pregunta 1
Pregunta
Wilcoxon is used when testing for a difference.
Respuesta
- True
- False
Pregunta 2
Pregunta
Chi-square is used when testing for a correlation.
Respuesta
- True
- False
Pregunta 3
Pregunta
Spearman's Rho is used when testing for a difference.
Respuesta
- True
- False
Pregunta 4
Pregunta
Mann-Whitney is used when testing for a difference.
Respuesta
- True
- False
Pregunta 5
Pregunta
What statistical test is used when the data is correlational?
Respuesta
-
Mann-Whitney
-
Chi-Square
-
Spearman's Rho
-
Wilcoxon
Pregunta 6
Pregunta
What statistical test is used when the data is nominal?
Respuesta
-
Spearman's Rho
-
Chi-Square
-
Wilcoxon
-
Mann-Whitney
Pregunta 7
Pregunta
Which statistical test is used when there is an independent groups design?
Respuesta
-
Wilcoxon
-
Spearman's Rho
-
Chi-Square
-
Mann-Whitney
Pregunta 8
Pregunta
Which three of these apply to the Wilcoxon test?
Respuesta
-
Data is ordinal, interval or ratio
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Data is nominal
-
Used when testing for a difference
-
Used with an independent groups design
-
Used with a repeated measures design
-
Used when the sets of data are related
Pregunta 9
Pregunta
Psychologists most often use a probability of 95%, so there's a 5% chance the results aren't significant.
Respuesta
- True
- False
Pregunta 10
Pregunta
Which type of error states that the results aren't significant, when in fact they are?
Respuesta
-
Type 1
-
Type 2
Pregunta 11
Pregunta
Which type of error states that the results are significant, when in fact they're due to chance?
Respuesta
-
Type 1
-
Type 2
Pregunta 12
Pregunta
A one-tailed test is used in conjunction with a directional hypothesis.
Respuesta
- True
- False
Pregunta 13
Pregunta
A two-tailed test can only be used with a non-directional hypothesis.
Respuesta
- True
- False
Pregunta 14
Pregunta
What is a directional hypothesis?
Respuesta
-
A hypothesis that states the results will go a certain way, e.g. 'I predict women eat more food than men'
-
A hypothesis that states there will be a difference, but doesn't say in which way, e.g. 'I predict there will be a difference between the amount that women and men eat'
Pregunta 15
Pregunta
What is a null hypothesis?
Respuesta
-
States there will be a difference, but doesn't say which way results will go, e.g. 'I predict there will be a difference in the amount women and men eat'
-
States the results will be due to chance, e.g. 'There will be no significant difference in the amount men and women eat'
Pregunta 16
Pregunta
Give two strengths of lab experiments.
Respuesta
-
Greatest control over independent variable
-
Higher ecological validity
-
Few demand characteristics
-
Control over ethics
Pregunta 17
Pregunta
Give two weaknesses of natural experiments.
Respuesta
-
Demand characteristics
-
No control over extraneous variables
-
Low ecological validity
-
Ethical issues
Pregunta 18
Pregunta
Give one strength and one weakness of field experiments.
Respuesta
-
Higher ecological validity than lab studies
-
Full control over independent variables
-
Less control over extraneous variables
-
High risk of demand characteristics
Pregunta 19
Pregunta
Demand characteristics are where the participants become aware (either consciously or subconsciously) of the aims of the study, and alter their behaviour as such.
Respuesta
- True
- False
Pregunta 20
Pregunta
What are investigator effects?
Respuesta
-
Anything the investigator does which has an effect on the behaviour of participants
-
Where the participants become aware of the aims of the study and alter their behaviour as such
-
Features of a research situation that alter the behaviour of participants, such as the time of day, temperature, noise levels etc.
Pregunta 21
Pregunta
What is the difference between participant effects and participant variables?
Respuesta
-
Participant effects is a general term to acknowledge the fact that p's behaviour can be influenced by being in a study; participant variables are characteristics of individual p's that can influence the outcome of a study
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Participant effects are characteristics of individual p's that can influence the outcome of a study; participant variables is a general term to acknowledge the fact that p's behaviour can be influenced by being in a study
Pregunta 22
Pregunta
Single blind tests are where the participants don't know the aims of the study.
Respuesta
- True
- False
Pregunta 23
Pregunta
Double blind tests are where the neither participants nor experimenters know the aims of the study.
Respuesta
- True
- False
Pregunta 24
Pregunta
How can situational variables be overcome? (Give two answers.)
Respuesta
-
Standardisation
-
Double blind
-
Counterbalancing
-
Anonymity
-
Matched pairs
Pregunta 25
Pregunta
Order effects can be overcome using counterbalancing.
Respuesta
- True
- False
Pregunta 26
Pregunta
Volunteer bias can be overcome using random sampling.
Respuesta
- True
- False
Pregunta 27
Pregunta
There are seven ethical considerations needed when conducting human research.
Respuesta
- True
- False
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