Class 1

Question 1

Data that is not restricted to defined separate values, ie fractions and decimals

Answer 1

Continuous data

Question 2

Data that can only have particular values and cannot be broken down

Answer 2

Discrete data

Question 3

Level of measurement that includes categorically discrete data

Answer 3

Nominal

Question 4

Level of measurement that refers to quantities that have a natural ordering, you cannot tell the difference between categories. Between their rank alone

Answer 4

Ordinal

Question 5

Level of measurement in which the distance between numbers does have a meaning, often ,ensuring frequency, intensity and duration

Answer 5

Interval

Question 6

A measure of interval data with a natural zero point, time, weight, money etc

Answer 6

Ratio data

Question 7

Understanding how things happen by watching them, creating a category and monitoring interactions

Answer 7

Observational design

Question 8

A statement of the procedures or ways In which a researcher is going to measure behaviour and/or psychological processes or constructs

Answer 8

Operational definition

Question 9

To see the extent to which we can infer the results to the greater population

Answer 9

Inferential statistics

Question 10

Describes characteristics of the sample

Answer 10

Descriptive statistics

Question 11

Everyone in the population of interest has an equal likelyhood of selection

Answer 11

Random sampling

Question 12

A non-representative subset of some larger population and is gathered to serve a very specific purpose

Answer 12

Purposive sampling

Question 13

A subset of purposive sampling where the sample is picked along the way

Answer 13

Snowball sampling

Question 14

A sampling procedure where the population is divided into important categories then Randomly sampled from each category

Answer 14

Stratified sampling

Question 15

A specific distribution having a characteristic bell shaped form, brontosaurus

Answer 15

Normal distribution

Question 16

When a distribution leans in a particular direction

Answer 16

Skewness

Question 17

When a distribution curves to the right

Answer 17

Positive skew

Question 18

When a distribution curves to the left

Answer 18

Negative skew

Question 19

Refers to the peakedness or flatness of a distribution

Answer 19

Kurtosis

Question 20

An excess skew of 0

Answer 20

Mesokurtic

Question 21

Curve with a flattened peak like a platypus

Answer 21

Platykurtic

Question 22

Curve with a tall peak like two leaping kangaroos

Answer 22

Leptokurtic

Question 23

The arithmetic average of a set of numbers

Answer 23

Mean

Question 24

This number is the one that is the midpoint of the distribution

Answer 24

Median

Question 25

This number is the single most frequent number I’m a distribution

Answer 25

Mode

Question 26

How spread out the scores are in a distribution, the amount of spread around the mean

Answer 26

Variability

Question 27

Square root of the variance, a measure of how spread the numbers are around the mean

Answer 27

Standard deviation

Question 28

The sum of the squares deviations from the mean, divided by N

Answer 28

Variance

Question 29

The sum of the squared deviations

Answer 29

Sum of squares

Question 30

The sample people in a sample are tested for difference

Answer 30

Within subjects variance

Question 31

The variance between two or more samples

Answer 31

Between subjects variance

Question 32

Same as correlation, a statistic representing the degree to which two variable vary together

Answer 32

Covariance

Question 33

An error caused by the person conducting the experiment

Answer 33

Experimenter error

Question 34

An error caused by discrimination in the experimenter, subject, sample or Study

Answer 34

Bias

Question 35

Error caused by incorrect retrieval of memories, information is remembered in a way that is actually different from what actually happened

Answer 35

Memory distortions

Question 36

Errors of omission or commission

Answer 36

Lying

Question 37

A type of response bias that is a tendency to answer a question in a manner where they will be favourably viewed by others

Answer 37

Social desireability

Question 38

Something that impairs a persons ability to understand or perceive a question or circumstance

Answer 38

Lack of Insite/inability to articulate

Question 39

The phenomenon that arises if a sample point of a random variable is extreme, a future point will then be closer to the mean or average

Answer 39

Regression to the mean