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2. Bloom's 2 sigma problem - Wikipedia

   en.wikipedia.org/wiki/Bloom's_2_Sigma_Problem

   2.00 98 Teacher Reinforcement 1.2 Learner Feedback-corrective (mastery learning) 1.00 84 Teacher Cues and explanations 1.00 Teacher, Learner Student classroom participation 1.00 Learner Student time on task 1.00 Learner Improved reading/study skills 1.00 Home environment / peer group Cooperative learning: 0.80 79 Teacher Homework (graded) 0.80

3. Line code - Wikipedia

   en.wikipedia.org/wiki/Line_code

   Each transmitted code word in a constant-weight code is designed such that every code word that contains some positive or negative levels also contains enough of the opposite levels, such that the average level over each code word is zero. Examples of constant-weight codes include Manchester code and Interleaved 2 of 5. Use a paired disparity ...

4. Technetium-99m generator - Wikipedia

   en.wikipedia.org/wiki/Technetium-99m_generator

   A typical dose rate at 1 metre from 99m Tc generator is 20–50 μSv/h during transport. [ 15 ] These generators' output declines with time and must be replaced weekly, since the half-life of 99 Mo is still only 66 hours.

5. List of random number generators - Wikipedia

   en.wikipedia.org/wiki/List_of_random_number...

   Default generator in R and the Python language starting from version 2.3. Xorshift: 2003 G. Marsaglia [26] It is a very fast sub-type of LFSR generators. Marsaglia also suggested as an improvement the xorwow generator, in which the output of a xorshift generator is added with a Weyl sequence.

6. 50+1 rule - Wikipedia

   en.wikipedia.org/wiki/50+1_rule

   50+1 rule is an informal term used to refer to a clause in the regulations of the Deutsche Fußball-Liga (German Football League). The clause states that, in order to obtain a license to compete in the Bundesliga and 2. Bundesliga, a club must either wholly- or majority-own its association football team. In case of majority ownership, the ...

7. Pulse generator - Wikipedia

   en.wikipedia.org/wiki/Pulse_generator

   For example, the pulse repetition rate and duration may be digitally controlled but the pulse amplitude and rise and fall times may be determined by analog circuitry in the output stage of the pulse generator. With correct adjustment, pulse generators can also produce a 50% duty cycle square wave. Pulse generators are generally single-channel ...