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.