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2022-2024 Year 13 A-Level Psychology - Research Methods: Presentation of Data - Graphs & Distributions

Education30 CardsCreated 20 days ago

This flashcard set focuses on graphs and distributions in A-Level Psychology (Research Methods). It helps students identify the three types of distributions and understand the key characteristics of a normal distribution, essential for interpreting data patterns in psychological research.

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Name the three types of distributions

Positive Skewed, Negative Skewed and normal

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Key Terms

Term
Definition

Name the three types of distributions

Positive Skewed, Negative Skewed and normal

What are the three features of a normal distribution?

Curve is symmetrical
Curve extends outward but never touches zero
The mean, median and mode occupy the same mid-point on the curve

If most of the data is concentrated on the left of the graph. Which type of distribution is this?

Positive Skewed

Which type of distribution is to if the long tail of the graph is on the right of the peak of the data?

Positive Skewed

A teacher set as hard test so most people got low marks. Which type of distribution is this?

Positive Skewed

A teacher set an easy test so most students got high marks. Which type of distribution is this?

Negative Skewed

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2022-2024 Year 13 A-Level Psychology - Research Methods: Presentation of Data - Graphs & Distributions
TermDefinition

Name the three types of distributions

Positive Skewed, Negative Skewed and normal

What are the three features of a normal distribution?

Curve is symmetrical
Curve extends outward but never touches zero
The mean, median and mode occupy the same mid-point on the curve

If most of the data is concentrated on the left of the graph. Which type of distribution is this?

Positive Skewed

Which type of distribution is to if the long tail of the graph is on the right of the peak of the data?

Positive Skewed

A teacher set as hard test so most people got low marks. Which type of distribution is this?

Positive Skewed

A teacher set an easy test so most students got high marks. Which type of distribution is this?

Negative Skewed

Which type of distribution is it when most of the data is concentrated on the right of the graph?

Negative Skewed

Which type of distribution is it if the long tail is on the left side of the peak of data?

Negative Skewed

When drawing a distribution. Which three things do you plot?

Mean, Mode and Median

When drawing a distribution curve, Which piece of data do you plot first?

Mode

A researcher gave participants a questionnaire where the maximum score was 50. The data gained was Mode - 23
Mean -22.3
Median 22.6
Which type of distribution is this?

Normal distribution - as the mean, mode and median are almost the same

A questionnaire was given to participants where the maximum score was 50. The data gained was:
Mode - 15
Mean - 25
Median -22
Which type of distribution is this?

Positive Skewed - because the mean is higher than the median/mode or to the right hand side of the distribution

A researcher gave participants a questionnaire to complete where the maximum score was 50. The data gained was:
mode - 39
Mean - 33.5
Median - 35.6
Which type of distribution is this?

Negative skewed - because the mean is lower than the median/mode or to the left of the distribution

Which type of distribution is this?

Positive Skew

Which type of distribution is this?

Negative skew

A teacher created a test and gained a negative skew in her grade distribution. What could be done to make this a normal distribution?

Make the test more difficult

A teacher created a test that gained a positive skew in her grade distribution. What could be done to gain a normal distribution?

Make the test easier.

Which three types of graphs do you need to know?

Bar chart
Histogram
Scatterplot/scattergram

A student draws a bar chart where the two bars touch. Will they get the mark in the exam?

No

What do you get three marks for in a graph question?

1 - plotting the correct graph
1 - for a title
1 - for labelling the x and y axis

What should he title in a graph contain?

The operationalised IV and DV or operationalised co-variables

A student draws a histogram. The bars are touching. Will they get the mark?

Yes

This type of graph is for continuous data.

Histogram

This type of graph is for discrete data.

Bar chart

This type of graph shows the relationship between two variables.

Scatterplot/scattergram

Which type of graph is this?

Histogram

Which type of graph is this?

Bar Chart

Which type of graph is this?

Bar chart

Which type of graph is this?

Scatterplot/scattergram

Which type of graph is this?

Scatterplot/Scattergram