Week 1 and 2 Flashcards

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1
Q

how did industrial psychology emerge

A
  • I/O Psychology emerged in response to the industrial revolution in the 18th century in Britain and the prevailing faith in capitalism
  • increase work efficancy and reduce fatigue
  • the american psychological assoiciation formed in 1892 and I/O division formed 1945
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2
Q

Who were the innovators for industrial psychology

A
  • Hugo Munsterberg: intersted in design of work
  • Walter Dill Scott: studied salespeople and psychology of advertising
  • Frederick W. Taylor: Believed that scientific principles could be applied to the study of work behaviour to help increase work efficiency and productivity
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3
Q

what did Frederick W. taylor do?

A

Taylor - scientific management and “time-and-motion studies”
- Broke jobs down scientifically into measurable component movements and recorded the time required to complete each movement
- This approach was suited for
jobs that involve manual labour
or that could be easily broken
down into components parts

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4
Q

how did industrial psych influnce world war 1

A
  • At the outbreak of WWI, Yerkes (President of the American Psychological Association), and colleagues worked with the US Army to create intelligence tests for the placement of army recruits
  • This led to the development
    of the Army Alpha and Beta
    intelligence tests and the first
    mass intelligence testing
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5
Q

who and what was the Hawthorne Studies

A
  • Elton Mayo
  • physical work enviornment and productivity
  • In one experiment, Mayo explored the impact of lighting on productivity of female workers assembling electrical relay devices
  • Findings suggested that no matter what the illumination level, productivity increased. Even when the illumination level was decreased so that workers were barely able to see, productivity increased
  • The influence of workers’ knowledge of being observed and their expectations were said to determine the increases in productivity
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6
Q

Human Relations Movement

A

which recognises the importance of social factors and morale in improving productivity

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7
Q

when was the journal of personnel psychology first published ?

A
  • 1948
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8
Q

What are the positives of I/O Psychology

A
  • I/O psychology has become a viable scientific discipline
  • Scientific contributions of I/O psychology to the broader psychological literature are relatively unappreciated
  • I/O psychology has made an important contribution to the practice of management
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9
Q

what are the challenges with I/O psych

A

Working people:
- Have limited time
- Can be hard to source
Organisations:
- May be unwilling to allow employees to participate on paid time
- May be unwilling to implement ideas just being “tested”
- Existing data may be poor quality
Scientifically:
- Concerns over cross-sectional self-report data

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10
Q

what are the opportunties with I/O psych

A
- Large existing data sets
Can be linked with new data
- More people work than, for example, have mental illness
- Research and consultancy can integrate
- Making a difference to people’s lives
- Asking questions that, sorry, don’t apply to undergrad psych students. 
- Money and technology
- Learning
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11
Q

why do I-O psychologists engage in research?

A
  • to describe work behaviour
    eg: training and development
  • to explain work behaviour
    eg: performance appraisal
  • the predict work behaviour
    eg: recruitment and selection
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12
Q

what is research methods?

A

“A set of procedures that allows us to investigate the hows and whys of human behaviour and to predict when certain behaviour will and will not occur”

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13
Q

what is the 10 step research cycle

A
1- Identification of Broad Problem Area
2- Preliminary Information Collection
3- Theoretical Framework
4- Hypotheses
5- Research Design
6- Sampling
7- Data Collection
8- Analysis and Interpretation
9- Refinement of Theory (for basic research)
10 -Implementation of Findings (for applied research)
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14
Q

what is step one in research methods?

A

Identification of Broad Problem Area

  • Is there a need for further research in the literature (i.e., basic)?
  • Is there a need for problem-solving in an organisation (i.e., applied)?
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15
Q

what is step two in research methods?

A

Preliminary Information Collection

  • Goal is to learn as much as you can about the topic
  • May collect primary data or secondary data
  • Also need to conduct a literature review
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16
Q

what is step three in research methods?

A
Theoretical Framework
- Often presented in the form of a schematic diagram
- Essential elements include:
Relevant variables
- Relationships among variables
- Direction of each relationship
- Why relationships are hypothesised
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17
Q

define variable

A

A variable is an object, event, or process that can take on or change to different values or qualities, whereas as a constant is an object, event, or process that has only one fixed value (Evans, 1985)

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18
Q

what are the different types of variables

A

Independent (predictor)
Dependent (outcome)
Mediating (intervening)
Moderating (interactive)

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19
Q

Explain independant variables

A
  • Potentially causes a change in the values of another variable
  • Values of the IV are independent of other variables
  • Can be either manipulated (i.e., conditions external to participants) or observed (i.e., characteristics associated with participants)
20
Q

Explain dependant variables

A

Variable in which we expect to observe a change as a consequence of another variable
- Values of the DV are dependent on other variables

21
Q

explain mediating variables

A
  • Occurs between the time the IV operates to influence the DV
  • Helps to explain the influence of the IV on the DV
22
Q

explain moderating variables

A
  • Third variable that has a contingent effect on the relationship between the IV and DV
  • Modifies the expected relationship between the IV and DV
23
Q

what is step four in research methods?

A

develop a hypotheses

  • A prediction of how two or more variables are related to each other
  • Based on the network of associations established in the theoretical framework
24
Q

what is step five in research methods?

A
  • Research paradigm
  • Types of research designs
  • Study setting
  • Measurement
  • Unit of analysis
  • Time horizon
25
Q

what is the research paradigm (quantitative vs qualitative)

A

Quantitative

  • Concepts are assigned numerical values
  • Small amount of data from large group of people

Qualitative

  • Considers words rather than numbers
  • Large amount of data from small group of people
26
Q

what are the two types of research designs ?

A

1- experimental
- Establishes a definitive cause and effect relationship between two or more variables
- Random assignment
2- correlational
- Establishes the relationship between two or more variables
- The IV is measured rather than manipulated

27
Q

what is experimental control in research

A

Eliminates influences that could make results less reliable or harder to interpret

28
Q

what is statistical control in research

A

Statistical techniques used to control for the influence of certain variables

29
Q

what are the types of study settings ?

A
  • laboratory

- feild

30
Q

what are the types of measures used in studies?

A
Unobtrusive
e.g., official statistics, archival records
Objective
e.g., manipulation, observation
Self-Report
e.g., surveys, interviews
31
Q

what is step six in research methods?

A

Sampling

  • A distinction exists between the data set that is actually acquired through the process of observation (i.e., sample) and the vast collection of all potential observations (i.e., population)
  • Thus, the sample is a subset or some part of a larger population
  • The goal is to generalise the properties of the sample to the wider population
32
Q

what are the two types of sampling

A

1- probability:
- Elements in the population have an equal probability of being selected in the sample
e.g., simple random sampling & stratified random sampling
2- non probability
- Elements in the population don’t have a predetermined probability of being selected in the sample
e.g., convenience, quota

33
Q

what is generalisability in research

A
  • Application of results from one study or sample to other participants or situations
  • The more areas a study includes, the greater its generalisability
  • Every time a compromise is made, the generalisability of results is reduced
34
Q

what is the correlation coefficient ?

A
  • Statistic or measure of association
  • Reflects magnitude (numerical value) & direction (+ or –) of relationship between 2 variables
  • Ranges from -1.00 and 1.00
  • Positive correlation → As one variable increases, other variable also increases & vice versa
  • Negative correlation → As one variable increases, other variable decreases & vice versa
35
Q

what are other types of linear correlation statistics ?

A
  • Pearson’s r: 2 continuous normally distributed variables (e.g., height and weight)
  • Spearman’s rho: At least one ordinal or non-normal variable (e.g., height and “finish position” in a race)
  • Kendall’s Tau: At least one ordinal or non-normal variable
  • Point biserial: One variable is dichotomous (e.g., “cheat vs don’t cheat” and Machiavellianism)
36
Q

what is a curvilinear relationship?

A
  • If correlation coefficient is .00, one cannot conclude that there is no association between variables
  • A curvilinear relationship might better describe the association
37
Q

what are the properties of tests and measures?

A

Reliability
Validity
Fairness

38
Q

how to test reliability

A
  • Test-retest
  • Alternate forms
  • Inter-rater
  • Internal consistency
  • Split half
  • Coefficient alpha
  • KR20
39
Q

what is alternative forms of reliability

A

Calculated by correlating measurements from a sample of individuals who complete 2 different forms of same test

40
Q

what is internal consistency and reliability

A

Assesses how consistently items of a test measure a single construct

41
Q

what is inter-rater reliability

A
  • can calculate various statistical indicies to show level of agreement amoung raters
42
Q

Types of validity

A
Face
Construct
Content
Predictive
Concurrent
Convergent - Divergent
Synthetic
43
Q

what is construct related validity ?

A
  • Investigators gather evidence to support decisions or inferences about psychological constructs
  • Construct - concept or characteristic that a predictor is intended to measure; examples include intelligence, extraversion, and integrity
44
Q

what is content related validity ?

A

E.g. Demonstrates that content of selection procedure represents adequate sample of important work behaviors & activities or worker KSAOs defined by job analysis
- I-O Psychologists can use incumbents/subject matter experts (SMEs) to gather content validity evidence

45
Q

what is criterion related validity

A

Correlate a test score (predictor) with a performance measure; resulting correlation often called a validity coefficient

  • predicitive validity design
  • concurrent validity design