Statistical Principals WEEK 2

Question 1

Allow researchers to summarise data in a readily understandable form

Answer 1

Descriptive statistics

Question 2

Shows how frequently participants received each of the many possible scores

Answer 2

Frequency distribution

Question 3

Index of the way a typical participant responded

Answer 3

Measure of Central tendancy

Question 4

Measures of Central Tendancy

Answer 4

Mean, mode, median

Question 5

Average

Answer 5

Mean

Question 6

Most common score

Answer 6

mode

Question 7

The score that falls in the middle

Answer 7

median

Question 8

The extent to which results differ

Answer 8

Variability

Question 9

Describes how much the average participant deviates from the MEAN (average)

Answer 9

Standard Deviation

Question 10

p value

Answer 10

probability value

Question 11

Difference between the highest and lowest scores

Answer 11

range

Question 12

Findings are generally accepted when the p-value or likelihood of change is less than

Answer 12

5 in 100 p=<0.05 (5%)

Question 13

Difference between two groups

Answer 13

Cohen’s d statistic

Question 14

Looking at a correlation

Answer 14

Pearson’s r statistic

Question 15

the extent to which participants tend to differ from one another in their scores

Answer 15

Variability

Question 16

The amount an average participant deviates from the mean of the sample

Answer 16

Standard deviation

Question 17

to determine if results have occurred simply by chance a

Answer 17

Chi Square

Question 18

The approximate standard deviation of a statistical sample population

Answer 18

The standard error (SE)

Question 19

statistical term that measures the accuracy with which a sample distribution represents a population by using standard deviation

Answer 19

Standard Error SE

Question 20

measure of association between exposure (IV) and an outcome (DV)

Answer 20

Odds ratio

Question 21

An odds ration —– the relationship between the IV and the DV

Answer 21

Quantifies

Question 22

An Odds ration tell us how much

Answer 22

higher the odds of exposure are among one group than another

Question 23

The futher away the odds ratio is from 1.0 that test us that the association is

Answer 23

stronger

Question 24

The statistical significance of the odds ration can be tested using the

Answer 24

p-value (that you want to be less than 0,05 or <5%)

Question 25

In real life it can be difficult to identify a clear relationship between one variable and another, and for that we have the

Answer 25

Adjusted Odds Ratio

Question 26

Study design wheer researchs are study diffrences between 2 or more groups

Answer 26

Between groups study

Question 27

Researchers are comparing conditions within the same group

Answer 27

Within groups design