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Flashcards in W1 Deck (39):
1

experiment

an inquiry for which the investigator controls the phenomena of interest and sets the conditions under which they are observed

2

independent variable/ x variable

the manipulated variable

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dependent variable/ y variable

the variable you are measuring to see whether there is a change in x

4

counter factual argument

we are not capable of delivering the same treatment, to the same person at the same time, in the same way

5

experimental variable

x and y variables

6

what happens if there is a change in x

there is a change in y

7

how do you select your variables?

concomitance
sequential
isolation

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concomittance (selecting variables)

correlation between two variables, identified through theory/ experience

9

sequential (selecting variables)

for x to influence y

10

isolation (selecting variables)

we isolate our dependent variables

11

identifying extraneous variables

instrument variation
maturation
testing effect
selection bias

12

instrument variation

the elements of the design of an experiment that are different between treatments

13

maturation

the changes in y through the passage of time

14

testing effect

experience influences peoples results

15

controlling extraneous variables

randomization
physical control
design control

16

evaluating experimental design

validity
reliability

17

internal validity

extent to which competing explanations for variation in the dependent variable can be ruled out

18

external validity

extent to which casual relationships measured in an experiment can be generalized outside of the context of the study

19

features of a lab experiment

high internal validity
low external validity
full control
respondent aware of participation

20

endowement effect

if someone owns something they tend to value it higher then someone who doesnt

21

features of field research

high external validity
low internal validity
loss of control

22

what does x mean as an experimental notion?

exposure of an individual or group to an experimental treatment or manipulation

23

what does o mean as an experimental notion?

observation taken from a test unit

24

pre-experimental designs

designs that offer little or no control over extraneous factors

25

one-shot case study design

exposing respondents to a treatment and later taking an observation, no control group

26

true experimental deigns

research using an experimental group and a control group, to which test units are randomly assigned

27

quasi experiment

studies in which the research lacks complete control over the scheduling of treatments or must assign respondents to treatments in a non-random manner

28

interrupted time-series designs

repeated measurement of an effect interrupts previous data patterns

29

multiple time-series design

interrupted time-series design with a control group

30

challenges to survey research

human interactions
trust in legitimacy
attention given to each respondent
respondent control over access
respondent control over responding

31

the questionnaire design process

planning (obj/ method)
designing (format/ wording/ layout)
executing (pilot/ launch)

32

monotomy

any experience that is predictable and repetitive becomes boring and leads to primary/ recency effect

33

primary effect

over-tendancy to take the first choice read

34

recency effect

over-tendancy to take the last choice read

35

probelm with ambiguity

questions answered wrong
questions skipped
questions annoy people

36

sequencing

first question is important (impressions)

37

filtering

narrowing down responses through questions

38

motivating respondents

sell the questionnaire through letter/ words
percieved usefulness
percieved interest
reward (cash/ voucher/ prize draw)

39

common faults with questionnaire design

leading questions
double barrelled questions
unclear
questions too long
no instructions
jargon
avoid making assumptions