978501
Descrição
Quiz por connie.coombs, atualizado more than 1 year ago
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Criado por connie.coombs
quase 10 anos atrás
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Questão 1
Questão
Wilcoxon is used when testing for a difference.
Responda
- True
- False
Questão 2
Questão
Chi-square is used when testing for a correlation.
Responda
- True
- False
Questão 3
Questão
Spearman's Rho is used when testing for a difference.
Responda
- True
- False
Questão 4
Questão
Mann-Whitney is used when testing for a difference.
Responda
- True
- False
Questão 5
Questão
What statistical test is used when the data is correlational?
Responda
-
Mann-Whitney
-
Chi-Square
-
Spearman's Rho
-
Wilcoxon
Questão 6
Questão
What statistical test is used when the data is nominal?
Responda
-
Spearman's Rho
-
Chi-Square
-
Wilcoxon
-
Mann-Whitney
Questão 7
Questão
Which statistical test is used when there is an independent groups design?
Responda
-
Wilcoxon
-
Spearman's Rho
-
Chi-Square
-
Mann-Whitney
Questão 8
Questão
Which three of these apply to the Wilcoxon test?
Responda
-
Data is ordinal, interval or ratio
-
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
Questão 9
Questão
Psychologists most often use a probability of 95%, so there's a 5% chance the results aren't significant.
Responda
- True
- False
Questão 10
Questão
Which type of error states that the results aren't significant, when in fact they are?
Responda
-
Type 1
-
Type 2
Questão 11
Questão
Which type of error states that the results are significant, when in fact they're due to chance?
Responda
-
Type 1
-
Type 2
Questão 12
Questão
A one-tailed test is used in conjunction with a directional hypothesis.
Responda
- True
- False
Questão 13
Questão
A two-tailed test can only be used with a non-directional hypothesis.
Responda
- True
- False
Questão 14
Questão
What is a directional hypothesis?
Responda
-
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'
Questão 15
Questão
What is a null hypothesis?
Responda
-
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'
Questão 16
Questão
Give two strengths of lab experiments.
Responda
-
Greatest control over independent variable
-
Higher ecological validity
-
Few demand characteristics
-
Control over ethics
Questão 17
Questão
Give two weaknesses of natural experiments.
Responda
-
Demand characteristics
-
No control over extraneous variables
-
Low ecological validity
-
Ethical issues
Questão 18
Questão
Give one strength and one weakness of field experiments.
Responda
-
Higher ecological validity than lab studies
-
Full control over independent variables
-
Less control over extraneous variables
-
High risk of demand characteristics
Questão 19
Questão
Demand characteristics are where the participants become aware (either consciously or subconsciously) of the aims of the study, and alter their behaviour as such.
Responda
- True
- False
Questão 20
Questão
What are investigator effects?
Responda
-
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.
Questão 21
Questão
What is the difference between participant effects and participant variables?
Responda
-
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
-
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
Questão 22
Questão
Single blind tests are where the participants don't know the aims of the study.
Responda
- True
- False
Questão 23
Questão
Double blind tests are where the neither participants nor experimenters know the aims of the study.
Responda
- True
- False
Questão 24
Questão
How can situational variables be overcome? (Give two answers.)
Responda
-
Standardisation
-
Double blind
-
Counterbalancing
-
Anonymity
-
Matched pairs
Questão 25
Questão
Order effects can be overcome using counterbalancing.
Responda
- True
- False
Questão 26
Questão
Volunteer bias can be overcome using random sampling.
Responda
- True
- False
Questão 27
Questão
There are seven ethical considerations needed when conducting human research.
Responda
- True
- False
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