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Research Methods - A2 Psychology

Description

Quiz on Research Methods - A2 Psychology, created by connie.coombs on 05/06/2014.
connie.coombs
Quiz by connie.coombs, updated more than 1 year ago
connie.coombs
Created by connie.coombs over 10 years ago
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Resource summary

Question 1

Question
Wilcoxon is used when testing for a difference.
Answer
  • True
  • False

Question 2

Question
Chi-square is used when testing for a correlation.
Answer
  • True
  • False

Question 3

Question
Spearman's Rho is used when testing for a difference.
Answer
  • True
  • False

Question 4

Question
Mann-Whitney is used when testing for a difference.
Answer
  • True
  • False

Question 5

Question
What statistical test is used when the data is correlational?
Answer
  • Mann-Whitney
  • Chi-Square
  • Spearman's Rho
  • Wilcoxon

Question 6

Question
What statistical test is used when the data is nominal?
Answer
  • Spearman's Rho
  • Chi-Square
  • Wilcoxon
  • Mann-Whitney

Question 7

Question
Which statistical test is used when there is an independent groups design?
Answer
  • Wilcoxon
  • Spearman's Rho
  • Chi-Square
  • Mann-Whitney

Question 8

Question
Which three of these apply to the Wilcoxon test?
Answer
  • 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

Question 9

Question
Psychologists most often use a probability of 95%, so there's a 5% chance the results aren't significant.
Answer
  • True
  • False

Question 10

Question
Which type of error states that the results aren't significant, when in fact they are?
Answer
  • Type 1
  • Type 2

Question 11

Question
Which type of error states that the results are significant, when in fact they're due to chance?
Answer
  • Type 1
  • Type 2

Question 12

Question
A one-tailed test is used in conjunction with a directional hypothesis.
Answer
  • True
  • False

Question 13

Question
A two-tailed test can only be used with a non-directional hypothesis.
Answer
  • True
  • False

Question 14

Question
What is a directional hypothesis?
Answer
  • 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'

Question 15

Question
What is a null hypothesis?
Answer
  • 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'

Question 16

Question
Give two strengths of lab experiments.
Answer
  • Greatest control over independent variable
  • Higher ecological validity
  • Few demand characteristics
  • Control over ethics

Question 17

Question
Give two weaknesses of natural experiments.
Answer
  • Demand characteristics
  • No control over extraneous variables
  • Low ecological validity
  • Ethical issues

Question 18

Question
Give one strength and one weakness of field experiments.
Answer
  • Higher ecological validity than lab studies
  • Full control over independent variables
  • Less control over extraneous variables
  • High risk of demand characteristics

Question 19

Question
Demand characteristics are where the participants become aware (either consciously or subconsciously) of the aims of the study, and alter their behaviour as such.
Answer
  • True
  • False

Question 20

Question
What are investigator effects?
Answer
  • 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.

Question 21

Question
What is the difference between participant effects and participant variables?
Answer
  • 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

Question 22

Question
Single blind tests are where the participants don't know the aims of the study.
Answer
  • True
  • False

Question 23

Question
Double blind tests are where the neither participants nor experimenters know the aims of the study.
Answer
  • True
  • False

Question 24

Question
How can situational variables be overcome? (Give two answers.)
Answer
  • Standardisation
  • Double blind
  • Counterbalancing
  • Anonymity
  • Matched pairs

Question 25

Question
Order effects can be overcome using counterbalancing.
Answer
  • True
  • False

Question 26

Question
Volunteer bias can be overcome using random sampling.
Answer
  • True
  • False

Question 27

Question
There are seven ethical considerations needed when conducting human research.
Answer
  • True
  • False
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