Research methods BW Flashcards

(118 cards)

1
Q

Who sets the ethical guidelines in the UK?

A

The British Psychological Society (BPS)

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2
Q

When was the most recent code of ethics and conduct published?

A

2021

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3
Q

What is the code of ethics and conduct concerned with?

A

Respect - for the dignity and worth of all persons
Competence - psychologists need to maintain high standards of professionalism
Responsibility - psychologists are responsible for their clients, the general public and the science of psychology
Integrity - psychologists should be honest and accurate

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4
Q

What are the ethical guidelines?

A

Deception
Fully informed consent
Protection of Participants from psychological and physical harm
Right to withdraw
Confidentiality
Privacy

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5
Q

What is deception?


A

Deception means deliberately misleading or withholding information from participants at any stage of the investigation

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6
Q

When and why can deception be justified?


A

If the deception does not cause the participant undue distress, it can be used in order to make a study valid by preventing demand characteristics

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7
Q

What are demand characteristics?


A

Demand characteristics are cues or clues in an investigation which may convey information about the purpose of the research to the participants. This may lead to the participants working out, or thinking they have worked out the hypothesis and in turn may lead to a change in their behaviour or responses.

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8
Q

How do you deal with deception?


A

At the end of a study the participants should be given a full debrief, they should be reassured that their behaviour was normal and should be offered support to restore their health to what it was before the study. They should be offered counselling if needed and they should be made aware that they have the right to withhold their data.

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9
Q

What is fully informed consent?


A

Informed consent involves informing participants about the study so that they can decide if they want to participate or not e.g. aims, the procedure, their rights and what their data will be used for.

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10
Q

What does fully informed consent include?

A

purpose of research
full details of the study
what participants will be required to do
explanation of rights

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11
Q

Why might informed consent not be used?

A

Due to the potential for demand characteristics to occur if participants have all the information about the study

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12
Q

How do you deal with consent?


A

Participants should be issued with a consent form detailing relevant information that might affect their decision to participate. They must sign it assuming that they agree. Children under 16 require parental consent.

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13
Q

What are the different types of consent?

A

Parental consent
Presumptive consent
Prior general consent
Retrospective consent

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14
Q

What is parental consent?


A

If participants are under the age of 16, parents will agree on the child’s behalf

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15
Q

What is presumptive consent?


A

Rather than getting consent from the participants themselves, a similar group of people are asked if the study is acceptable. If this group agrees, then consent of the original participants is presumed

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16
Q

What is prior general consent?


A

Participants give their permission to take part in a number of different studies including one that will involve deception. By consenting, participants are effectively consenting to be deceived.

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17
Q

What is retrospective consent?


A

Participants are asked for their consent during the debrief having already taken part in the study. They may not have been aware of their participation, or they may have been subject to deception.

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18
Q

What does it mean by protection of participants from psychological and physical harm?


A

Investigators have a primary responsibility to protect participants from physical and mental harm during the investigation. Participants should not be placed at any more risk than they would in their daily lives. Participants should not be made to feel embarrassed, inadequate or be placed under undue stress or pressure.

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19
Q

How do you deal with any psychological or physical harm of participants?


A

At the end of the study participants should be given a full debrief involving making participants aware of the aims of the investigation and any details they were not supplied with during the study such as the existence of other groups of experimental conditions. Participants should also be reassured that their behaviour was normal and should be offered counselling if this is needed due to harm being caused. Participants should be able to withdraw and withhold their data or remain confidential.

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20
Q

Is the right to withdraw an ethical issue or a solution to ethical issues?


A

A solution to ethical issues

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21
Q

What does the right to withdraw include?

A

Every participant should know they gave the right to withdraw from the research at any point without reason or consequence
They should know that they can withdraw any of their data
Researchers have a duty to remind participants of their right to withdraw if they see signs of distress
Researchers have a duty to terminate research early if the suspect a participant is suffering any harm

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22
Q

What is confidentiality?

A

Confidentiality refers to the right enshrined in law under the Data protection Act to have any personal data protected

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23
Q

How does the BPS deal with confidentiality?

A

If personal details are held, these must be protected therefore anonymity is usually maintained by recording no personal details. Instead, researchers tend to refer to participants by using initials, numbers or fake names. During the briefing and debriefing, participants are reminded that their data will be protected and that they have the right to remain anonymous.

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24
Q

What is privacy?

A

Privacy is the right that participants have to control the flow of information collected about them. Participants also have a right not to be observed in a private place.

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25
What responsibility do ethical committees have?
They have the responsibility to weigh up the costs and benefits of research proposals on participants and society and decide whether the research should go ahead
26
How should cost benefit analysis be conducted?
Costs and benefits should be looked at from the researcher's, participants and society's viewpoints
27
Who is part of an ethical committee?
Experts of the field as well as lay ("normal") people
28
What might happen if a psychologist behaves in an unethical manner?
The BPS will review the research and may decide to bar the person from practicing as a psychologist but they will not be sent to prison.
29
What is qualitative data?
Non-numerical data that is expressed in a participants own words in sentences which include detailed information about a participant's thoughts, feelings and opinions.
30
How might qualitative data be recorded?
Using an audio recording device and then being written out in full as a transcript
31
What type of questions elicit qualitative data?
Open ended question which may include buzz words such as "why?" or "how?" or "can you give any further detail"
32
What is quantitative data?
Numerical data which can be counted easily and converted into a graph to be statistically analysed
33
What type of questions elicit quantitative data?
Questions with fixed choice answers ('yes' or 'no')
34
What methods would produce qualitative data?
Interview, questionnaire and observation
34
What methods would produce quantitative data?
Experiment, interview, questionnaire, correlation and observation
35
What are the strengths of qualitative data?
There is much more richness of detail which allows participants to develop their thoughts, feelings or opinions. Therefore the researcher is more likely to gain a true reflection of the participants worldview and so their data is more valid as it is a valid picture
36
What are the limitations of qualitative data?
It is hard to summarise, compare and analyse written accounts so patterns, trends and conclusions are harder to identify therefore they are less useful when constructing theories
37
What are the strengths of quantitative data?
It is easy to summarise and compare between participants therefore lends itself to statistical analysis. Therefore patterns, trends and conclusions are easy to identify, which is key when constructing theories
38
What are the limitations of quantitative data?
It has much less richness of detail which does not allow a participant to develop their thoughts, feelings or opinions so the researcher is less likely to gain a true reflection of the participants worldview. It is less likely to give a valid picture of the participants views or behaviour, so can be lower in validity
39
What is primary data?
Original data that has been collected specifically for the purpose of the investigation by the researcher. It is data that arrives first hand from the participants themselves. This is sometimes called field research
40
What is secondary research?
Data that has been collected second hand by someone other than the person who is conducting the research. The data is not specifically collected for the aim of the current research, so it is data that already exists before the psychologist begins their investigation. This is sometimes referred to as desk research and it is often the case that secondary data has already been subject to statistical testing therefore significance is known
41
What are some examples of primary data?
Questionnaires, interviews, experiments, observations
42
What are some examples of secondary data?
journal articles, books, websites, government statistics (census)
43
What is meta-analysis?
A process in which the data from many studies, which involved the same aim and methods of data collection, are combined. The combined results may be statistically analysed or may be discussed in qualitative terms
44
What are the strengths of primary data?
This is authentic data obtained from the participants themselves for the purpose of a particular investigation. Questionnaires and interviews can be designed in such a way that they specifically target the information the researcher requires, making the data more internally valid.
45
What are the limitations of primary data?
Producing primary data takes time and effort from the researcher. Conducting and experiment requires planning, preparation and resources compared to secondary data which may be accessed within a matter of minutes.
46
What are the strengths of secondary data?
Often inexpensive and easily accessed requiring minimal effort. When examining secondary data, the researcher may find that the desired information already exists and so there is no need to conduct primary data collection.
47
What are the limitations of secondary data?
Might be substantial variation in the quality and accuracy of secondary data. Information might at first appear to be valuable but may be out of date or incomplete. The content of the data might not match the researcher's needs/objectives. May make data less valid compared to primary data collection
48
What are the strengths of meta-analysis?
Less chance of bias confounding the results due to the use of secondary data. This increases the reliability of the findings as a large number of studies analysed statistically increases the robustness of data. It is also possible to generalise the findings to a wider population due to the number of studies included, increasing the population validity of the results
49
What are the limitation of meta-analysis?
Although the studies are similar, it is not possible to ensure data from different studies was conducted under the same conditions with exactly the same controls, therefore this may reduce the validity of the findings and make it difficult to interpret the results. It may also be difficult for the researcher to access relevant studies so it can be time-consuming. This could lead to the researcher abandoning the research meaning valuable insight into a topic could be lost
50
What are descriptive statistics?
Used to describe the basic features of the data in a study. They provide simple summaries about the sample and the measures. Together with simple graphics analysis, they form the basis of most quantitative analysis of data
51
What are the three descriptive statistics that you need to know about?
Measures of central tendency (mean, median and mode) Measures of dispersion (range and standard deviation) Graphs and charts
52
What are measures of central tendency?
Tell the researcher where the middle point is in a set of data
53
What is the mean?
Known as the arithmetic average, it is calculated by adding up all the scores in a set of data and then dividing them by the total number of scores
54
What is the median?
The middle value of a data set, it is calculated by putting the data in order and finding the middle score. If there is an even number of scores, you should add the two middle scores together and divide by 2
55
What is the mode?
The most common occurring score, it is calculated by putting the data in order and working out which one occurs the most
56
What is a measure of dispersion?
A way of measuring how much variation there is in a data set
57
What is the range?
This works with the median and it is calculated by subtracting the lowest score from the highest score
58
What is standard deviation?
The measure of the spread of scores around the mean. It is the most powerful measure of dispersion as it takes into account all of the scores
59
What does it mean if the standard deviation is high/big?
It means that the data is spread more far away from the mean, indicating more variation in the set of scores
60
What does it mean if the standard deviation is small?
It means that the data was mainly clustered around the mean, indicating less variation in the scores
61
What does it mean if the standard deviation is zero?
It means that all data values were the same so there was no variation at all
62
What are the advantages of the mean?
Most sensitive of measures of central tendency as it includes all of the scores. This means it is more representative of the data as a whole
63
What are the disadvantages of the mean?
It is easily distorted by extreme values therefore it may not represent the average of the data set as a whole
64
What are the advantages of the median?
Not affected by extreme scores so it can be more representative of the overall data set
65
What are the disadvantages of the median?
Less sensitive than the mean as it does not include all the scores in the final calculation so it may not be as representative as the mean
66
What are the advantages of the mode?
Useful for categorical data as it is the only way to identify the average/most common value or score
67
What are the disadvantages of the mode?
Very basic measure that may not represent the data set as a whole
68
What are the advantages of the range?
It is easy to calculate
69
What are the disadvantages of the range?
Only takes account of the two most extreme values and this may be unrepresentative of the data set as a whole
70
What are the advantages of standard deviation?
Very precise measure of dispersion compared to the range as it includes all the values in the data set
71
What are the disadvantages of standard deviation?
Can be distorted by extreme values
72
What are correlations?
Non-experimental method designed to investigate the strength and direction of a relationship between two co-variables (no IV or DV)
73
Why might psychologists use correlations instead of lab experiments?
It might not be practical or ethical to manipulate certain variables in a lab environment
74
What can correlation be used for?
As variables in correlation are measured and not manipulated, this means that correlations cannot be used to infer causation (cause and effect) instead a relationship between covariables can be established
75
What is a correlation coefficient?
A number between +1 and -1 which represents the strength and direction of a relationship (association) between two co-variables
76
What will a hypothesis for a correlation state?
that there will be a relationship between two variables
77
What is the writing frame for an experimental hypothesis for a correlation?
There will be a [direction if it's a directional hypothesis] relationship between [covariable 1] (measured by [something]) and [covariable 2] (measured by [something])
78
What is the writing frame for a null hypothesis for a correlation?
There will be no relationship between [covariable 1] (measured by [something]) and [covariable 2] (measured by [something]) any relationship is due to chance factors
79
What is the only way of presenting a correlation in the form of a descriptive statistic?
A scattergram/graph
80
What are the three things to mention when describing results on a scattergraph?
Strong/negative correlation Between variable 1 and 2 Which means that...
81
What shape line will represent a curvilinear realtionship?
A bell-shaped curve
82
What is an example of a curvilinear relationship?
Anxiety and performance
83
What are the advantages of correlations?
Useful as a preliminary technique allowing researchers to identify a link that can be investigated further dedicating more time and money to it. They can be used to research topics that are sensitive or would otherwise be unethical as there is no deliberate manipulation of variables
84
What are the disadvantages of correlations?
Only identify a link, not which variable causes which. Therefore, they are unable to establish cause and effect. As variables are not manipulated or controlled, there might be a third variable that is influencing one of the covariables without being considered [make sure to give an idea of a third variable in your answer]
85
Why do psychologists often display measures of central tendency and dispersion in a graph?
Because it is easier to grasp the significance of the statistics in visual form
86
What does the x-axis display?
The independent variable
87
What does the y-axis display?
The frequency
88
What are the four scales that variables can be grouped in to?
Nominal (frequency count data) Ordinal (scores in rank order) Interval (a continuous scale with no absolute zero) Ratio (a continuous scale with an absolute zero)
89
What is nominal level data?
Categorical data that has no individual scores
90
Which measures of central tendency and dispersion does nominal level data include?
Mode and range
91
How can nominal level data be displayed?
In a bar chart and sometimes a pie chart
92
What is ordinal level data?
Data that can be ordered or ranked and includes individual scores of participants
93
Which measures of central tendency and dispersion does ordinal level data include?
Mode, median and range
94
How can ordinal level data be displayed?
Bar chart and sometimes a pie chart
95
What is interval level data?
Includes individual scores and uses universal measurements with equal intervals between (e.g. cm). This is the most scientific and sophisticated
96
Which measures of central tendency and dispersion does interval level data include?
Mean and standard deviation
97
How can interval level data be displayed?
Histogram, boxplot and line graph
98
What is a bar chart?
A graphical representation of a categorical data set in which a rectangle or bar is drawn over each category or class. Often used to show descriptive statistics (percentages or ratios) and use nominal data
99
Do bars touch in a bar chart?
No because the data is not related and is not continuous
100
What is a histogram?
A graphical representation of data that shows the distribution and frequency of values in a dataset
101
Do bars touch in a histogram?
Yes because it is continuous data
102
What is a line graph?
A way of displaying data to easily see a trend over time
103
How many sets of data can be displayed on a line graph?
one or more
104
What are scattergraphs only used for?
For displaying strength and direction of a correlation
105
What is normal distribution?
The predicted distribution when considering an equally likely set of results
106
What are the features of a normal distribution?
- Mean, median and mode are all in the exact same midpoint. - Distribution is symmetrical around the midpoint. - Dispersion of scores/measurements either side of the mid-point is consistent and can be expressed in standard deviations. - 34.1% of people will lie withing one standard deviation below the mean. - The two tails will never touch the x-axis
107
What shape is the curve of a normal distribution?
Bell-shaped
108
What is a positive/right skewed distribution?
When the mean is higher (furthest right) than the median and mode
109
What is a negative/left skewed distribution?
When the mean is lower (furthest left) than the median and mode
110
When using our feet to think about skewed distribution, which toe represents what?
Big toe = mode Little toe = mean
111
What is content analysis?
A way of transforming qualitative data into quantitative data by creating coding units and reviewing the qualitative data whilst tallying each time a theme/category occurs
112
What is the procedure for content analysis?
1. Data is collected 2. Researcher reads through/examines the data to make themselves familiar with it 3. The researcher identifies coding units which are standardised and do not overlap e.g. [] 4. All data is analysed by applying the coding unit 5. A tally is made of the number of times that each coding unit appears, this can then be analysed statisticlly
113
How can you check the reliability of content analysis or codes?
Follow the procedure of content analysis and then: 1. A second researcher is trained on how to apply the coding units 2. The second researcher analyses the same data set independently (not influenced) using the same categories 3. The two researchers come together and compare their results to see if they are similar 4. The analysis is reliable if the correlational coefficient between the researchers is 0.8 or higher
114
What are the strengths of content analysis?
It can be a reliable way to analyse qualitative data as the coding units, once operationalised, are less open to interpretation and so are applied in the same way over time and by different researchers. It produces quantitative data which is easy to statistically analyse especially if it can be drawn on a graph. This makes it easier to make comparisons and draw conclusions
115
What are the limitations of content analysis?
A limitation is that because it reduces rich detailed information into simple numbers, it may lose some of its meaning so researchers will not be able to gain as deep an understanding from the quantitative data obtained A researcher creates the categories or codes which means the research could be biased. A researcher may unintentionally create codes that when applied to the data, helps to confirm their hypothesis. Therefore the technique is open to investigator bias which reduces the validity of the technique.
116
What is economic psychology?
When researchers investigate the effects of social, cognitive and emotional factors on economic decisions
117
When questions ask about the economic implications of a psychological discovery, think about:
wages tax work burden childcare healthcare transport spending money