Table 2 The coding for characterisation of in-group/out-group cultural artefact pictures (including duplicate codes).

From: National representations in digital heritage exposure: exploring young people’s in­-group/out­-group categorisation on cultural artefact visuals and related evaluations

Subject

Content

Representative text

P1:hue

The colour is explicitly mentioned.

With large red as the keynote / snow­white

P2:hue frequency

An objective description of the richness of colour.

Rich colours / relatively not-so-rich colours / simple colours

P3:brightness

An objective description of colour brightness.

Shiny/dull

P4:saturability

An objective description of colour saturation.

The colour is too bright / too light

P5:symmetry

An objective description of artefact symmetry.

Symmetrical / not very regular

P6:texture

An objective description of the texture of an artefact, but without reference to a specific object.

The style is not complicated / the lines are round / the patterns are complicated

O1:geometry

Identify geometric elements in artefacts, including patching marks.

Ice cracks/loops/triangles or squares

O2:humanity

Identify characters or human activities in artefacts.

Poets /garden flowers/portrait of foreigners

O3:nature

Identify natural elements in artefacts that do not involve artificiality.

Galloping horse / flower­and­bird painting / with elements of fire

O4:myth

Identify mythological elements in artefacts.

Loong and Phoenix/orc/god

O5:material

The identification or objective description of the material.

Pottery/bronze/porcelain/golden edge

O6:shape

The identification and objective description of the shape.

The Ding/plate/handle/three legs

S1:colour

A subjective description of the colour.

The colour is more restrained/exaggerated and bold

S2:shape

A subjective description of the shape.

The shape is majestic/strange

S3:material

A subjective description of the material.

Dumb material/smooth surface

S4:style

Identify a style.

Traditional/Chinese painting/realistic/exotic

S5:content

A Subjective description of the content.

Delicate pattern/ink painting/patterns about Western faiths/abstract patterns

S6:function

Interpretation or speculation about the function of artefacts.

The ancient drinking cup/does not show its function

S7:production technique

Description of the making techniques.

Difficult craftsmanship/fired with clay

S8:date

Mentioning the age of artefacts.

Ancient/primitive/modern

S9:geography

Mentioning the geography of artefacts.

Chinese/foreign palace/Egypt

S10:self­reference

Reasoning based on the subject’s own experience.

Is it in line with Chinese aesthetics/seen in museums/not seen much/not like Chinese