academic_1

Question 1

empirical

Answer 1

https://guides.libraries.psu.edu/emp

Question 2

qualitative vs quantitative

Answer 2

s

Question 3

• level of aggregation (individual, groups, organizations, communities)

Answer 3

s

Question 4

Usability test

Usability evaluation

Answer 4

s

Question 5

geolocation

Answer 5

s

Question 6

spatial data

Answer 6

s

Question 7

time series

Answer 7

s

Question 8

internal validity vs external validity in research (study)

Answer 8

s

Question 9

nominal scale

Answer 9

s

Question 10

ratio scale

Answer 10

s

Question 11

ordinal scale

Answer 11

s

Question 12

Likert scale

Answer 12

s

Question 13

NASA-TLX

Answer 13

s

Question 14

mean, mode, and standard deviation, variance, covariance

Answer 14

https://www.youtube.com/watch?v=mk8tOD0t8M0

Question 15

within-participant

Answer 15

s

Question 16

between-participant

Answer 16

s

Question 17

factorial experiment

Answer 17

s

Question 18

Sampling Without Replacement

Answer 18

Sampling with replacement:

Consider a population of potato sacks, each of which has either 12, 13, 14, 15, 16, 17, or 18 potatoes, and all the values are equally likely. Suppose that, in this population, there is exactly one sack with each number. So the whole population has seven sacks. If I sample two with replacement, then I first pick one (say 14). I had a 1/7 probability of choosing that one. Then I replace it. Then I pick another. Every one of them still has 1/7 probability of being chosen. And there are exactly 49 different possibilities here (assuming we distinguish between the first and second.) They are: (12,12), (12,13), (12, 14), (12,15), (12,16), (12,17), (12,18), (13,12), (13,13), (13,14), etc.

Sampling without replacement:

Consider the same population of potato sacks, each of which has either 12, 13, 14, 15, 16, 17, or 18 potatoes, and all the values are equally likely. Suppose that, in this population, there is exactly one sack with each number. So the whole population has seven sacks. If I sample two without replacement, then I first pick one (say 14). I had a 1/7 probability of choosing that one. Then I pick another. At this point, there are only six possibilities: 12, 13, 15, 16, 17, and 18. So there are only 42 different possibilities here (again assuming that we distinguish between the first and the second.) They are: (12,13), (12,14), (12,15), (12,16), (12,17), (12,18), (13,12), (13,14), (13,15), etc.