Christina Swensson. 
This is the fifth in a series of blogs that delve below the headline findings from the 2015 Trends in International Mathematics and Science Study (TIMSS). This blog investigates the similarities between TIMSS and the Programme for International Student Assessment (PISA), another large-scale study designed to assess pupil achievement across a number of countries. So how do the headline findings from the two studies compare?
PISA and TIMSS Cycles
TIMSS, administered by the IEA, has been carried out every four years since 1995, a total of six study cycles. The OECD started its own large-scale international survey in 2000 and has been running the Programme for International Student Assessment (PISA) every three years since then, also a total of six study cycles. The two studies do not normally coincide (more…)