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Trends in International Mathematics and Science Study

The IEA’s Trends in International Mathematics and Science Study (TIMSS) is a series of international assessments of the mathematics and science knowledge of students around the world. The participating students come from a diverse set of educational systems (countries or regional jurisdictions of countries) in terms of economic development, geographical location, and population size. In each of the participating educational systems, a minimum of 4,500 to 5,000 students is evaluated. Contextual data about the conditions in which participating students learn mathematics and science are collected from the students and their teachers, their principals, and their parents via questionnaires.

TIMSS is one of the studies established by IEA aimed at allowing educational systems worldwide to compare students’ educational achievement and learn from the experiences of others in designing effective education policy. This assessment was first conducted in 1995, and has been administered every four years thereafter. Therefore, some of the participating educational systems have trend data across assessments from 1995 to 2015. TIMSS assesses 4th and 8th grade students, while TIMSS Advanced assesses students in the final year of secondary school in advanced mathematics and physics.

A precursor to TIMSS was the First International Mathematics Study (FIMS) performed in 1964 in 11 countries for students aged 13 and in the final year of secondary education (FS) under the auspices of the International Association for the Evaluation of Educational Achievement (IEA). This was followed in 1970-71 by the First International Science Study (FISS) for students aged 10, 14, and FS. Fourteen countries tested 10-year olds; 16 countries tested the older two groups. These were replicated between 1980 and 1984.

These early studies were revised and combined by the IEA to create TIMSS Black Runner Waist Pack, which was first administered in 1995. It was the largest international student assessment study of its time and evaluated students in five grades. In the second cycle (1999) only eighth-grade students were tested. In the next cycles (2003, 2007, 2011 and 2015) both 4th and 8th grade students were assessed. The 2011 cycle was performed in the same year as the IEA’s Progress in International Reading Literacy Study (PIRLS), offering a comprehensive assessment of mathematics, science and reading for the countries participating in both studies. The sixth cycle was conducted in 2015, and the results were released in 2016; the data set was published in February 2017. TIMSS 2015 included data collected from parents for the first time. TIMSS Advanced, previously conducted in 1995 and 2008, was also conducted in 2015, and assessed final-year secondary students’ achievement in advanced mathematics and physics. Policy-relevant data about curriculum emphasis, technology use, and teacher preparation and training accompanies the TIMSS Advanced results.

Along with the overall students’ achievement data, TIMSS comprehensive assessments include data on student performance in various mathematics and science domains (algebra, geometry, biology, chemistry, etc.) and on performance in the problem solving challenges in each of these contexts. In addition, TIMSS provides contextual data on crucial curricular, instructional, and resource-related factors that can impact the teaching and learning process. These data are gathered using student, teacher, school, and curriculum (national) questionnaires filled out by students, teachers, school principals and National Research Coordinators, respectively.

According to the TIMSS 2011 international results in mathematics, “The TIMSS mathematics achievement scales were established in TIMSS 1995 based on the achievement distribution across all participating countries, treating each country equally. At each grade level, the scale center point of 500 was set to correspond to the mean of the overall achievement distribution steak tenderizer, and 100 points on the scale was set to correspond to the standard deviation. Achievement data from subsequent TIMSS assessment cycles were linked to these scales so that increases or decreases in average achievement may be monitored across assessments. TIMSS uses the scale center point as a point of reference that remains constant from assessment to assessment” running reflective belt.

Because TIMSS is administered in four-year cycles, it enables participating counties to use the results between the fourth and eighth grades to track the changes in achievement and certain background factors from an earlier study. For example, results of the fourth grade in TIMSS 1995 can be compared with the results of the eighth grade in TIMSS 1999, as fourth graders had become eighth graders in the next cycle of study.

The collected information is presented in different formats. For example, for TIMSS 2015 the results are presented as TIMSS International Results in Science and . The provides an overview of how mathematics and science are taught in each participating country. documents the development of the TIMSS assessments and questionnaires weston meat tenderizer, and describes the methods used. The describes the content and format of the data in the . The fully documented TIMSS 2015 international database can be downloaded.

The IEA has developed an application for working with data from TIMSS and other IEA large-scale assessments called the . . This application allows researchers to combine data files and facilitates some types of statistical analysis (such as computing means, percentages, percentiles, correlations, and estimating single level multiple linear regression). The application takes into account the complex sample structure of the databases when calculating the statistics and their standard errors. It also allows researchers to estimate achievement scores and their standard errors.

For an overview of the IEA study results and interpretation of information, the IEA’s .  can come in handy.

In TIMSS 1995, there were 41 educational systems in five grades (third, fourth, seventh, eighth, and the final year of secondary school). In 1999, TIMSS only focused on the eighth grade in 38 educational systems; there was no study done for the fourth grade in that year. In TIMSS 2003, there were 26 educational systems for the fourth grade and 48 for the eighth grade. In TIMSS 2007, 44 educational systems participated in the fourth grade and 57 educational systems in the eighth grade. TIMSS 2011 had 52 participating educational systems for the fourth grade and 45 for the eighth grade.

In TIMSS 2015, nationally representative samples of students in 57 countries and 7 benchmarking entities participated in the fourth grade assessment, the eighth grade assessment, or both.

TIMSS depends on the collaboration of a large number of individuals and organizations around the world including the , , Statistics Canada, and Educational Testing Service (ETS). In the United States, TIMSS is conducted by the National Center for Education Statistics of the US Department of Education. Data for US students is further tracked for ethnic and racial groups. TIMSS is mainly funded by the participating countries. Also, the US National Center for Education Statistics of the US Department of Education and the World Bank provide major support funding for the assessments.

Hanushek and Woessman developed a methodology to rescale 14 different international comparisons of math and / or science achievement to make them comparable. This includes the FIMS, FISS, and PISA, mentioned above, with TIMSS.

Hoot Sackett

Hoot Sackett was an American college baseball coach. He was the head coach at Oklahoma State University from 1920 to 1921.

In the 1921 season his Cowboy squad played a tough schedule, eight against Missouri Valley Conference schools, two with Southwest Conference teams, and several smaller state colleges. According to a Tulsa World article from 1921 the opposition was “as stiff as any encountered by A&M in recent years”.

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Alexandra Bokyun Chun

Alexandra Bokyun Chun (born February 11, 1967) is a South Korean actress and filmmaker living in Los Angeles, California.

She immigrated to the United States when she was seven years old. After attending a boarding school in Maryland, she pursued a study in Western Philosophy at St. John’s College, U. S double walled glass water bottle. in Santa Fe, New Mexico.

Intent on becoming a medical doctor after graduation, she entered a relationship with Ottmar Liebert in her senior year which dramatically changed the course of her life to pursue the performing arts.

Shortly after moving to Los Angeles for an acting career in film, she was cast for a regular role on the soap, Another World, which moved her to New York City. When her contract ended with the soap opera, she returned to Los Angeles to work in numerous film and television shows.

In 1999, along with three other theatre professionals, she founded and co-artistic directed a theatre company called Lodestone Theatre Ensemble. In the Fall of 2004, as writer running reflective belt, director, and producer, Alexandra Chun launched a website of short films that take place in hotel rooms.