Program Type Evidence of effectiveness Effects Worldwide Latin America & The Caribbean
Tutoring
Yes
34
    4
    0
    Guided technology (with extra time)
    Yes
    16
      6
      0
      Small group support
      Yes
      9
        5
        1
        Lesson plans
        Yes
        9
          6
          2
          Tracking
          Yes
          8
            2
            0
            Monetary incentives to students
            Yes
            8
              5
              0
              Non-monetary incentives to students
              Yes
              7
                3
                0
                Funding for materials
                Yes
                7
                  4
                  0
                  Monetary incentives to teachers
                  Yes
                  6
                    10
                    0
                    Class size
                    Yes
                    6
                      6
                      1
                      School day length
                      Yes
                      4
                        3
                        3
                        Parent training
                        Yes
                        4
                          6
                          0
                          Managers development
                          Yes
                          4
                            4
                            0
                            Teacher development
                            No
                            9
                              7
                              0
                              Computers
                              No
                              5
                                3
                                2
                                Guided technology (no extra time)
                                No
                                4
                                  5
                                  2
                                  Test scores data
                                  No
                                  1
                                    2
                                    0
                                    Community involvement
                                    No
                                    1
                                      5
                                      1
                                      Books
                                      No
                                      1
                                        4
                                        0
                                        Teachers' years of education
                                        No
                                        0
                                          4
                                          1