JC Flashcards
1
Q
What are the observations?
A
- personal
- reported
2
Q
explanation
A
can it already be found?
3
Q
hypotheses
A
- null + alternative
- testable
- combine question with existing knowledge
- predictions
- experiments to test these predictions
4
Q
experimental design
A
- iterations and improvements
- does it test at multiple scales?
5
Q
findings
A
- how are they written up and presented?
- open
- peer reviewed
- conference/preprint
- social media/blog
6
Q
integration
A
- into existing knowledge
- general explanation/phenomenon
7
Q
headlines
A
- sensational?
- solved/prevented/cured
- accurate?
8
Q
Observing/questioning tips
A
- explain why the q matters to understanding the phenomenon
- make observations in different contexts/places; check that the problem/phenomenon is real
- financial feasibility
- does it consult prior literature/theory/experts?
9
Q
Observing/questioning pitfalls
A
- oversimplifying an existing field/minimising prior work
- not explaining why something is interesting/important
- confirmation bias
- not justifying why doing study matters
10
Q
confirmation bias
A
- assuming that a phenomenon exists or thinking that you know the answer, then forming a question retrospectively
- only testing predictions to confirm/neutral
11
Q
Hypotheses tips
A
- a priori
- true alternatives
- plausible
- falsifiable
- not tangential
- not too broad
- actually look at the question of interest
12
Q
true alternatives
A
attempt to address the same phenomenon
13
Q
Prediction tips
A
- clear
- measurable given technical, time and financial constraints
- pre-registration
14
Q
Hypotheses pitfalls
A
- confusing with predictions
- not mutually exclusive
- answer a complementary q
- post-hoc data mining
15
Q
what is the difference between a hypothesis and a prediction
A
hypotheses need context
16
Q
post-hoc data mining
A
HARKing
17
Q
prediction pitfalls
A
- confirmation bias
- unrelated
18
Q
Gathering/analysing data tips
A
- independent, representative sample
- appropriate study system picked and justified
- display, examine and present at all stages in a clear way
- display raw data
- appropriate stats test
19
Q
Gathering/analysing data pitfalls
A
- p and R values
- multiple tests without adjusting p value (p-hacking)
- pseudoreplication, autocorrelation
- confounding effects
20
Q
p-hacking
A
- missing data analysis techniques
- results in false significance
21
Q
give some examples of confounding effects
A
- contamination
- seasonal effects
- observer influence
22
Q
Sharing/writing up findings tips
A
- measured, objective language in conclusions
- communicate clearly and fairly
- simplify without exaggerating
- discuss level of confidence in results
- limit speculation/extrapolation
- discuss possible alternative interpretations
- discuss limitations
- suggest further work
- colour-blind friendly graphics
23
Q
Sharing/writing up findings pitfalls
A
- prematurely assertive language
24
Q
prematurely assertive language
A
- “conclusively shows”
- “beyond doubt”
- “proves”
- “confirms”