Systematic Wash Problem (9/8/91)
Directions

There are two sets of informational episodes in the Systematic Wash Problem. For each informational episode, there are two different kinds of problem. Thus, the task can be broken down as follows:

First Informational Episodes

  • Problem Set A
  • Problem Set B

    • Second Informational Episodes

  • Problem Set C
  • Problem Set D

    • First Informational Episodes

    Read the following informational episodes:

    A cloth was stained with red lipstick. Here are eight ways it can be washed. Sometimes the cloth will be clean. Sometimes it will be dirty.

    A Bleach Powder Soap Blue Booster Cold Water Dirty
    B Bleach Powder Soap Blue Booster Hot Water Clean
    B Bleach Powder Soap Pink Booster Hot Water Dirty
    B Bleach Powder Soap Pink Booster Cold Water Dirty
    A Bleach Liquid Soap Blue Booster Hot Water Dirty
    B Bleach Liquid Soap Blue Booster Cold Water Clean
    B Bleach Liquid Soap Pink Booster Cold Water Dirty
    A Bleach Liquid Soap Pink Booster Hot Water Dirty

    Problem Set A

    Look back at the examples. After being washed, will the cloth be clean or dirty? Circle the answer.

    B Bleach Liquid Soap Blue Booster Hot Water   
    		 Clean
    Dirty


    A Bleach

    Liquid Soap

    Blue Booster

    Cold Water    		   
    		 Clean
    Dirty


    A Bleach

    Powder Soap

    Pink Booster

    Cold Water    		   
    		 Clean
    Dirty


    B Bleach

    Liquid Soap

    Blue Booster

    Hot Water    		   
    		 Clean
    Dirty


    B Bleach

    Powder Soap

    Blue Booster

    Cold Water    		   
    		 Clean
    Dirty


    A Bleach

    Powder Soap

    Pink Booster

    Hot Water    		   
    		 Clean
    Dirty


    B Bleach

    Liquid Soap

    Blue Booster

    Hot Water

    		Clean
    Dirty


    A Bleach

    Powder Soap

    Blue Booster

    Hot Water

    		Clean
    Dirty


    A Bleach

    Liquid Soap

    Pink Booster

    Cold Water

    		Clean
    Dirty


    B Bleach

    Liquid Soap

    Blue Booster

    Cold Water

    		Clean
    Dirty

    Problem Set B

    Look back again at the examples. For each episode, will the outcome always be obtained with the ingredients shown for that episode?



    Dirty





    Blue Booster

    Cold Water    		 Yes
    No


    Clean







    B Bleach

    Pink Booster    		 Yes
    No


    Dirty



    Cold Water

    B Bleach

    		Yes
    No


    Clean



    Cold Water



    Liquid Soap

    		Yes
    No


    Dirty



    Hot Water

    B Bleach





    Blue Booster    		 Yes
    No


    Clean







    B Bleach

    Powder Soap

    Blue Booster    		 Yes
    No


    Dirty







    A Bleach

    Liquid Soap

    Pink Booster    		 Yes
    No

    Give reasons why you predicted whether the ingredients would make the cloth come out "Dirty" in the last question.



    Second Informational Episodes

    A cloth was stained with avocado. Here are eight ways it can be washed. Sometimes the cloth will be clean. Sometimes it will be dirty.

    Examples (Eight ways of washing)

    Cold Water B Bleach Liquid Soap Pink Booster Clean
    Hot Water A Bleach Powder Soap Pink Booster Dirty
    Cold Water A Bleach Powder Soap Pink Booster Clean
    Hot Water A Bleach Liquid Soap Blue Booster Clean
    Hot Water B Bleach Powder Soap Pink Booster Dirty
    Hot Water A Bleach Liquid Soap Blue Booster Clean
    Hot Water B Bleach Powder Soap Pink Booster Dirty
    Cold Water A Bleach Powder Soap Blue Booster Clean

    Problem Set C

    Look back at the examples. After being washed, will the cloth be clean or dirty? Circle the answer.

    Hot Water A Bleach Liquid Soap Pink Booster

    		Clean
    Dirty


    Cold Water

    A Bleach

    Liquid Soap

    Pink Booster

    		Clean
    Dirty


    Hot Water

    B Bleach

    Powder Soap

    Blue Booster

    		Clean
    Dirty


    Hot Water

    A Bleach

    Powder Soap

    Blue Booster

    		Clean
    Dirty


    Cold Water

    B Bleach

    Powder Soap

    Blue Booster

    		Clean
    Dirty


    Hot Water

    B Bleach

    Powder Soap

    Pink Booster

    		Clean
    Dirty


    Hot Water

    B Bleach

    Powder Soap

    Blue Booster

    		Clean
    Dirty


    Hot Water

    A Bleach

    Liquid Soap

    Blue Booster

    		Clean
    Dirty


    Hot Water

    B Bleach

    Powder Soap

    Blue Booster

    		Clean
    Dirty


    Cold Water

    B Bleach

    Liquid Soap

    Pink Booster

    		Clean
    Dirty



    Problem Set D

    Look back again at the examples.  For each episode, will the outcome always be obtained with the ingredients shown for that episode?



    Dirty



    Cold Water

    		Yes
    No


    Clean



    Hot Water



    Blue Booster    		 Yes
    No


    Dirty



    Hot Water



    Powder Soap

    		Yes
    No


    Clean





    Liquid Soap

    Blue Booster    		 Yes
    No


    Dirty



    Hot Water

    A Bleach

    Liquid Soap    		 Yes
    No


    Clean



    Cold Water

    B Bleach

    		Yes
    No


    Dirty





    B Bleach

    Liquid Soap

    Pink Booster    		 Yes
    No

    Give reasons why you predicted whether the ingredients would make the cloth come out "Dirty" in the last question.