My new book “The Ingredients for Great Teaching” is out now in Europe!

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Rethinking Technology in Education

Robert Slavin's Blog

Antonine de Saint Exupéry, in his 1931 classic Night Flight, had a wonderful line about early airmail service in Patagonia, South America:

“When you are crossing the Andes and your engine falls out, well, there’s nothing to do but throw in your hand.”


I had reason to think about this quote recently, as I was attending a conference in Santiago, Chile, the presumed destination of the doomed pilot. The conference focused on evidence-based reform in education.

Three of the papers described large scale, randomized evaluations of technology applications in Latin America, funded by the Inter-American Development Bank (IDB). Two of them documented disappointing outcomes of large-scale, traditional uses of technology. One described a totally different application.

One of the studies, reported by Santiago Cueto (Cristia et al., 2017), randomly assigned 318 high-poverty, mostly rural primary schools in Peru to receive sturdy, low-cost, practical computers, or to serve as a…

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Another take on bilingualism: children take longer to learn two languages at once compared to just one

You can often read about the benefits of being bilingual from a young age. This study does take another turn and show it’s a bit more complicated than that for sure also for migrant children. How complicated?

Bilingual children from immigrant families often lag monolingual children in the development of the majority language while also having poor skills in their heritage language, even when SES is controlled. This may reflect, in part, internal limits to how rapidly children can learn two languages simultaneously, but the circumstances in which children are exposed to two languages in the immigrant context are far from a perfect test of that internal capacity. Monolingual children with native parents and bilingual children in immigrant families differ in ways besides the number of languages they hear. In bilingual environments, children hear less of each language, and the quality of their exposure to the majority language is often less because their sources of that language may have limited proficiency. In addition, bilingual children in bilingual environments can choose the language they speak, and when one language is more prestigious than the other, they choose the more prestigious language.

From the press release:

Worldwide immigration patterns are increasing the number of children who grow up exposed to two languages, a circumstance that provides numerous benefits as well as some challenges. Because bilingual children’s input is divided between two languages – the majority language of the country where they reside and their family’s heritage language – on average, they receive less input in each language compared to children who receive all of their input in just one language. As a result, bilingual children develop each language at a slower pace because their learning is spread across two languages.

A leading psychologist and language development expert at Florida Atlantic University says, “Don’t worry,” and reassures parents, teachers and clinicians that it is perfectly normal for bilingually developing children to take longer because they are learning more. In a review published in the journal Child Development Perspectives, Erika Hoff, Ph.D., a psychology professor and director of the Language Development Laboratory in FAU’s Charles E. Schmidt College of Science, examined research on the course of dual language growth among children in immigrant families. She focused on children exposed to two languages from birth and identified quantity of input, quality of input, and children’s use of language as factors that influence language growth.

Hoff’s review of the research shows strong evidence that the rate of language growth is influenced by the quantity of language input. Her findings challenge the belief, held in and out of scientific circles that children are linguistic sponges who quickly absorb the language or languages they hear and will become proficient speakers of two languages so long as they are exposed to both at an early age.

“One clear implication of studies of bilingual children is that we should not expect them to be two monolinguals in one,” said Hoff. “The bilingual child, like the bilingual adult, will develop competencies in each language ‘to the extent required by his or her needs and those of the environment.'”

The findings indicate that the quality of language exposure is also important. Hoff argues that immigrant parents should use the language they are most comfortable speaking when they interact with their children. They should not be told to use English just because it is the language of the host country if their own English proficiency is limited.

“To support bilingual development fully, children’s exposure to each language should come from highly proficient speakers,” Hoff said.

The research shows that children also need to use a language in order to acquire it. In bilingual environments, children can choose the language they speak, and when one language is more prestigious than the other, they choose the more prestigious language. Bilingual development is supported when both the host and heritage languages are valued by society and children have opportunities that encourage them to use both languages.

Prior research has shown that French-English bilingualism is achieved more successfully in Canada than is Spanish-English bilingualism in the United States, and that the equal prestige of the two languages in Canada plays a role. In Canada, children also may have greater access to highly proficient speakers of both languages because both languages are national languages.

“Children from immigrant families need strong skills in the majority language to succeed in school, and they need skills in the heritage language to communicate well with their parents and grandparents,” said Hoff. “Bilingualism is an asset for interpersonal, occupational, and cognitive reasons. Children who hear two languages from birth can become bilingual, even if that outcome is not guaranteed.”

Hoff’s findings suggest that bilingual children’s competencies, in addition to reflecting their communicative needs, also reflect the quantity and quality of their exposure to each language.

“These findings repeat conclusions from studies of monolingual development that language acquisition depends on the quantity and quality of language experience and the opportunity to participate in conversation,” said Hoff.

Abstract of the study:

Early exposure to two languages is widely thought to guarantee successful bilingual development. Contradicting that belief, children in bilingual immigrant families who grow up hearing a heritage language and a majority language from birth often reach school age with low levels of skill in both languages. This outcome cannot be explained fully by influences of socioeconomic status. In this article, I summarize research that helps explain the trajectories of observed dual language growth among children in immigrant families in terms of the amount and quality of their language exposure as well as their own language use.

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“Personalized Learning”: The Difference between a Policy and a Strategy

Larry Cuban on School Reform and Classroom Practice

“Personalized learning”–and whatever it means–has been the mantra for policymakers. technology entrepreneurs, and engaged practitioners for the past few years. Mention the phrase and those whose bent is to alter schooling nod in assent as to its apparent value in teaching and learning.  Mentions of it cascade through media and research reports as if it is the epitome of the finest policy to install in classrooms.

But it is not a policy, “personalized learning” is a strategy.

What’s the difference?

Read what Yale University historian Beverly Gage writes about the crucial distinction between the two concepts:

A strategy, in politics, can be confused with a policy or a vision, but they’re not quite the same thing. Policies address the “what”; they’re prescriptions for the way things might operate in an ideal world. Strategy is about the “how.” How do you move toward a desired end, despite limited means and huge…

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A small but positive effect size of enquiry-based STEM-program (best evidence in brief)

There is a new Best Evidence in Brief and this study may surprise some:

With the increasing interest in STEM (science, technology, engineering, and math) curricula comes the need for evidence backing these programs. One such science program is The BSCS Inquiry Approach, a comprehensive high school science approach based on three key concepts: constructivism, coherence, and cohesiveness. The materials are built around the 5E process (engage, explore, explain, elaborate, and evaluate). Teaching focuses on evaluating students’ current understanding and using inquiry methods to move them to higher understandings. Each of the science disciplines (physical science, life science, earth science, and science and society) is composed of four chapters that repeat common themes, which advance over a three-year period. Designing and carrying out experiments in small groups is important in all topics. Teachers receive seven days of professional development each year, including a three-day summer institute and four one-day sessions, enabling sharing of experiences and introducing new content over time.
To determine the effects of The BSCS Inquiry Approach on student achievement, BSCS conducted a two-year cluster-randomized study of the intervention that compared students in grades 10-11 in nine experimental (n=1,509 students) and nine control high schools (n=1,543 students) in Washington State. A total of 45% of students qualified for free or reduced-price lunches. At the end of two years, the BSCS students scored higher than controls (effect size=+0.09, p<.05) on the Washington State Science Assessments.
I checked the actual approach and it’s 3underpinnings:
  • Students come to the classroom with preconceptions that shape their learning,
  • student competence requires a deep foundation of knowledge, as well as an understanding of how this knowledge relates to a framework,
  • and that students benefit from explicitly monitoring and taking control of their own learning

And if you look closer it is anything but enquiry with minimal guidance:

This study does show that there is much more possible between sometimes extreme poles in educational discussions.

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The fewer women in entering class, the less likely they’ll stay in doctoral STEM programs

Another study on women in STEM with some interesting insights, but while a lot suggests a causal relation, it’s still correlation.

From the press release:

Many women in doctoral degree programs in fields like engineering and physics are in a class of their own – and that’s not a good thing.

A new study found that the fewer females who enter a doctoral program at the same time, the less likely any one of them will graduate within six years.

In the worst-case scenario – where there’s just one woman in a new class – she is 12 percentage points less likely to graduate within six years than her male classmates, the study found.

However, for each additional 10 percent of women in a new class, that gender gap in on-time graduation rates closes by more than 2 percentage points.

The findings suggest that the “female-friendliness” of doctoral programs may play a key role in the gender gap in STEM (Science, Technology, Engineering and Mathematics) fields.

“It has been nearly impossible to quantify the climate for women in male-dominated STEM fields,” said Valerie Bostwick, co-author of the study and a post-doctoral researcher in economics at The Ohio State University.

“But our data gave us a unique opportunity to try to measure what it is like for women in STEM. What we found suggests that if there are few or no other women in your incoming class, it can make it more difficult to complete your degree.”

Bostwick conducted the research with Bruce Weinberg, professor of economics at Ohio State. Their results will be published Monday, Sept. 17 on the website of the National Bureau of Economic Research.

They used a new data set that previously had not been available to researchers. They linked transcript records from all public universities in Ohio to data from the UMETRICS project, which provides information on students supported by federal research grants.

A key advantage of this data is that it shows when and if students drop out – something that most data sets on graduate students don’t show.

“Most datasets are based on students who graduate – they don’t see you if you don’t get your degree,” Bostwick said. “That makes it impossible to find out why students drop out.”

This study examined all 2,541 students who enrolled in 33 graduate programs at six Ohio public universities between 2005 and 2016.

Overall, the average incoming class of doctoral programs included about 17 students and was about 38 percent female. But there was wide variation in class sizes and the percentage of female students.

The researchers separated the programs into those that were typically male and typically female. Typically male programs (including chemical engineering, computer science and physics) were those that were less than 38.5 percent female.

In typically male programs, the average number of women who joined a class in any particular year was less than five.

The study shows the importance for women of having a support system of other women in their entering class, Weinberg said.

A woman joining a class that was more male than typical for her doctoral program was about 7 percent less likely to graduate within six years than were her male peers.

“But if there were more women than average in the program, that graduation gap goes away,” Weinberg said.

Findings showed that when women dropped out of male-dominated programs, they usually did it in the first year. Women who joined a doctoral class with no other females were 10 percentage points more likely to drop out in that first year.

The researchers looked at two potential reasons why women may be dropping out: research funding and grades.

If female students were less likely to obtain research funding than their male peers, that could be an important reason why they’re failing to finish. But the study found no real differences in funding for men and women.

Results did show that women had slightly lower grades than men when they were in male-dominated classes. Women who joined a class with no other females had first-term GPAs that were 0.11 grade points lower than their male peers.

“That’s not enough to make a big difference,” Bostwick said. “We estimate that grades could not explain more than a quarter of the difference between the number of women and men who graduate within six years.”

Bostwick said that if grades or research funding are not the main reason for why women are not completing their STEM degrees, that suggests the reason must be something that can’t be directly measured: the academic climate for women.

“We can only speculate about what it is in the climate that is making it more difficult for women,” Bostwick said.

“It may be hard to feel like you belong when you don’t see other women around you. There may be subtle discrimination. We don’t know. But it highlights the fact that women need support, particularly if they are the only ones entering a doctoral class. They need to know about resources that could help them, particularly in that first key year.”

Abstract of the study:

We study the effects of peer gender composition, a proxy for female-friendliness of environment, in STEM doctoral programs on persistence and degree completion. Leveraging unique new data and quasi-random variation in gender composition across cohorts within programs, we show that women entering cohorts with no female peers are 11.9pp less likely to graduate within 6 years than their male counterparts. A 1 sd increase in the percentage of female students differentially increases the probability of on-time graduation for women by 4.6pp. These gender peer effects function primarily through changes in the probability of dropping out in the first year of a Ph.D. program and are largest in programs that are typically male-dominated.

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Funny on Sunday: Storks and Babies

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The 2 presentations I gave at #rEDPret

Today I gave 2 presentations in Pretoria, South Africa for ResearchED.

The first one was about Urban Myths about Learning and Education:

And I also did one on my new book The Ingredients for Great Teaching:

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What if this study is correct and believing in neuromyths doesn’t matter?

There is a new interesting study published in Frontiers on how the believe in neuromyths doesn’t seem to matter as the best teachers believe as much in neuromyths as regular teachers. You can check the study here and read a good analysis by Christian Jarrett at BPS Digest here. Ok, I want to add maybe just one thing to the analysis. The researchers picked teachers that were selected as winners of best teacher elections. The authors acknowledge this is a weak spot, as we don’t know how those teachers were selected. If you read the new book by Dylan William, you will discover how it’s almost impossible to find out which teachers are actually really good or which ones are doing a bad job. It’s hard to observe the difference between a bad teacher having a good day and a great teacher having a bad day.

It may surprise you that at first I really hoped this study to be correct, and for several reasons, such as:

  • it would make my life much easier as I can stop writing about myths and move on,
  • our children would have great teachers even if they believe in nonsense.

But next I remembered that previous research has shown over and over again that people who are really interested in the brain, are easier caught in neuromyths. So it seems not implausible that really good teachers just look for a lot of stuff that may help them to become even better teachers. Which is nice, and I think actually the case.

But than I suddenly realized how dangerous this result can potentially be. Imagine it to be correct it could also mean that whatever we teach our teachers, it has little impact. In that case quid teacher training? Sad thing is, if you look at the work by John Hattie there is sometimes a case there to be made. But it would maybe also mean that one can teach and others just can’t… by nature. Because their knowledge doesn’t make much of a difference.

Of course it’s all a bit more complicated than that and there are probably often a lot of difference between what people think and how they act, and even more: sometimes how a teacher acts will be similar despite believing or not believing a myth, because the action is the same but there is a different reasoning behind it.

But I do want to argue that the authors of the study have overlooked a potential danger of neuromyths. Teaching those myths often take away important time of professional development and teacher training, time that isn’t spent on effective methods. Another possible explanation of the results could well be: even the best teachers don’t know these excellent techniques. In that case it means there is still a lot to gain. Which again is good news. Well, kind of.

In the meantime I need to get back to writing our second book on myths about learning and education.


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What often makes discussions about education so difficult, is what we all have in common

There are always fierce discussions about education on Twitter, but this happens also outside the social media bubble. Some of those discussions can end op in real life cold wars. On a conference a few years back I experienced this strange situation: I’m talking with person A and a person B joins us. The three of us are all new to each other. Person B introduces himself to us and names the institute he is working for. Person A immediately states that he doesn’t want to talk to person B because their view on education. I was left feeling flabbergasted.

The strange thing is that most people discussing education have often more in common than they themselves might think.

  • we are all progressive, as in: we all want our children to progress,
  • we all hate the idea that social background determines your future,
  • we all want to best for children with disabilities.

Where it often goes wrong is when we start discussing how those common goals should be achieved with both or more sides stating that the other side(s) do(es)n’t want the best for our children, which again infuriate(s) the other side(s), fueling further debate that will often than miss the point. Oh, and if you try to be neutral, nuanced or critical towards everything, it becomes walking a very thin line.

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A study prone to be misunderstood: a possible link between social media groups and academic performance

Show me which groups you take part in on social media or which pages you like, and I’ll tell you how good you’ll do in school. Well, that could well be the interpretation of this study, but a couple of things:

  • correlation doesn’t mean causal relation (!)
  • being part of some social media groups means higher risk on performing less, but not necessarily.
  • Neither vice versa!
  • And no: it’s not a good idea to check the social media profiles of your students – privacy!!!

Now you know this, do read on. From the press release:

High school students’ membership in certain social media groups can be used to predict their academic performance, as demonstrated by Ivan Smirnov, junior research fellow at HSE’s Institute of Education. The analysis of school students’ membership in groups and communities was used to detect low-performing and high-performing students. Teenagers’ performance at school can be evaluated based on their digital footprint and their activities in social media, according to the researcher. High achieving children usually subscribe to pages with scientific and cultural content. Lower achieving students are more interested in online humour and horoscopes. The researcher found the students’ academic performance to correlate with their social media interests on the basis of the Russian national longitudinal study ‘Trajectories in Education and Careers’. The sample included 4 400 students. Their knowledge was measured using PISA, a widely recognized international study. Social media activity was studied using VK, the most popular social network among young people in Russia. About 4,500 groups were selected. The study participants had 54 subscriptions on average. The PISA study, which is conducted by the Organisation for Economic Co-operation and Development (OECD), allows researchers to assess the level of reading and mathematical and natural science skills and knowledge among 15-year-olds. The list of social media subscriptions reflects the real interests of the school children. Obviously, it does not reflect the complete range of their interests since it is possible to enter the groups as an ‘invisible’ user, without leaving any digital footprint. Nevertheless, social media profiles are a good indicator. This source of information has great potential for educational studies. Personal pages, posts, photos and comments made by social media users provide a lot of information. Researchers can analyse a person’s lifestyle and psychological profile by using this digital footprint. For example, researchers found out that a person’s demographics (ethnic identity, gender and income level) can be forecasted following the analysis of their tweets, visual information from their profile, posts, photos of the neighbourhood etc. According to research, behavior on social media says a lot about an individual’s character and intelligence. Social media can also be used to ‘test’ academic performance. ‘We have created a simple model that predicts PISA results based on students’ subscriptions to certain groups,’ Ivan Smirnov explained. The results show that there is a strong academic, knowledge-related aspect of teenagers’ online preferences. Ivan Smirnov’s study revealed segregation among teenagers in terms of their interests and in correlation with academic performance. Lower-achieving students are usually interested in horoscopes and jokes. Higher-achieving students visit pages on science, technology, books, and films more often. One could assume that this influences their performance at school and general knowledge. But there is no such data. ‘We do not know whether subscriptions impact school performance, but I tend to think that they do not’, the researcher commented, ‘There are much stronger factors, including predisposition, family resources, level of the school, and so on.’ The author mentioned two effects. Firstly, ‘those who perform better tend to choose something educational, rather than entertaining, online.’ Sadly, the low achievers, who particularly ‘need support, are surrounded by horoscopes and jokes’. Secondly, if we take a closer look at the groups, it’s clear that ‘their content is not educational at all’. This means that the difference is due to ‘self-identity, and that it probably serves as a signal, since the groups in question are public,’ the researcher emphasized. The researcher compared the real PISA results and the grades calculated on the basis of digital footprint. The model was found to predict the teenagers’ achievements very accurately. ‘Its ability to correctly identify stronger and weaker students is 90% for mathematics, 92% for natural sciences, and 94% for reading,’ the author clarified. Two groups of students were investigated: those who don’t even have a ‘basic second level, which is necessary for survival in the contemporary world, according to the OECD, and those who achieve one of the two highest levels (fifth or sixth)’.

Abstract of the study:

The Programme for International Student Assessment (PISA) is an influential worldwide study that tests the skills and knowledge in mathematics, reading, and science of 15-year- old students. In this paper, we show that PISA scores of indi- vidual students can be predicted from their digital traces. We use data from the nationwide Russian panel study that tracks 4,400 participants of PISA and includes information about their activity on a popular social networking site. We build a simple model that predicts PISA scores based on students’ subscriptions to various public pages on the social network. The resulting model can successfully discriminate between low- and high-performing students (AUC = 0.9). We find that top-performing students are interested in pages related to sci- ence and art, while pages preferred by low-performing stu- dents typically concern humor and horoscopes. The differ- ence in academic performance between subscribers to such public pages could be equivalent to several years of formal schooling, indicating the presence of a strong digital divide. The ability to predict academic outcomes of students from their digital traces might unlock the potential of social media data for large-scale education research.

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