Z2.
Use the pictures to answer the questions. (Use each animal once only.)
an earthworm
a snake
a horse
a crab
Z-2
An animal that has a hard outside skeleton is
______________________________________________________________
An animal without a backbone that has many segments to its body is
______________________________________________________________
An animal that has hair and an inside skeleton is
______________________________________________________________
An animal that has a scaly skin and an inside skeleton is
______________________________________________________________
Reproduced from TIMSS Population 1 Item Pool. Copyright © 1994 by IEA, The Hague
Subject
Item Key
Science
Next
Page
Content Category
Performance
Expectation
Life Science
Understanding Simple
Information
International Average
Percent of Students
Responding Correctly
International
Difficulty
Upper Grade Lower Grade
Index
62%
52%
514
81
Z2.
Use the pictures to answer the questions. (Use each animal once only.)
an earthworm
a snake
a horse
a crab
Z-2
An animal that has a hard outside skeleton is
______________________________________________________________
An animal without a backbone that has many segments to its body is
______________________________________________________________
An animal that has hair and an inside skeleton is
______________________________________________________________
An animal that has a scaly skin and an inside skeleton is
______________________________________________________________
Reproduced from TIMSS Population 1 Item Pool. Copyright © 1994 by IEA, The Hague
Subject
Item Key
Science
Next
Page
Content Category
Performance
Expectation
Life Science
Understanding Simple
Information
International Average
Percent of Students
Responding Correctly
International
Difficulty
Upper Grade Lower Grade
Index
62%
52%
514
81
Z-2 Coding Guide
Z2.
Use the pictures to answer the questions. (Use each animal once only.)
an earthworm
a snake
a horse
a crab
An animal that has a hard outside skeleton is
______________________________________________________________
.
An animal without a backbone that has many segments to its body is
______________________________________________________________An animal that has hair and an inside skeleton is
______________________________________________________________
An animal that has a scaly skin and an inside skeleton is
______________________________________________________________
Copyright © 1994 by IEA, The Hague
Code Response
Correct Response
10
Crab - Earthworm - Horse - Snake in this order.
11
One or more general terms are used, in the correct order, for the above
organisms. (Crustacean, Reptile, etc.)
Incorrect Response
70
No correct answers.
71
72
Only crab and horse are correct.
Any other two or three are correct.
Only crab is correct.
Only horse is correct.
Only earthworm is correct.
73
Only snake is correct.
79
Other incorrect.
Nonresponse
90
99
Crossed out/erased, illegible, or impossible to interpret.
BLANK
82