State of K
State of K is a platform for creating, improving, and sharing
lists of all the studies that examine a question.
Once you create a list of studies, our algorithms help you
understand the state of knowledge on your question.
Are presidential democracies more prone to becoming dictatorships than parliamentary democracies?
24 Studies (1985 to 2015) List by: SMendoza (75)
24 Studies (1985 to 2015) List by: SMendoza (75)
The colors correspond to the answer that each study gives to the question, ordered by publication year:
YesNoMixed resultsInsufficient evidence to answer
For example, if you see an unbroken span of green (meaning "Yes"), followed by mostly purple (meaning "No"), interspersed with bits of orange (meaning "Mixed results"), that means all of the earliest studies answered "yes" to the question, but the consensus of later studies shifted to answering "no", while a few studies found "mixed results".
* Colors representing answers from studies that are literature reviews or which were published in what we deem to be highly regarded sources take up double the amount of space they otherwise would.
When answers are not available, the colors correspond to information about each study:
Study was published in a highly regarded sourceStudy is a literature reviewNo study info to report
* We only generate answers for questions that are capable of being answered "yes" or "no". For other questions, read the study summaries included in the study list to understand the state of knowledge on that question.
Do police body cameras reduce use of force by the police?
10 Studies (2013 to 2017) List by: TMifune (55)
10 Studies (2013 to 2017) List by: TMifune (55)
The colors correspond to the answer that each study gives to the question, ordered by publication year:
YesNoMixed resultsInsufficient evidence to answer
For example, if you see an unbroken span of green (meaning "Yes"), followed by mostly purple (meaning "No"), interspersed with bits of orange (meaning "Mixed results"), that means all of the earliest studies answered "yes" to the question, but the consensus of later studies shifted to answering "no", while a few studies found "mixed results".
* Colors representing answers from studies that are literature reviews or which were published in what we deem to be highly regarded sources take up double the amount of space they otherwise would.
When answers are not available, the colors correspond to information about each study:
Study was published in a highly regarded sourceStudy is a literature reviewNo study info to report
* We only generate answers for questions that are capable of being answered "yes" or "no". For other questions, read the study summaries included in the study list to understand the state of knowledge on that question.
Do undocumented immigrants commit more crime than native-born Americans?
8 Studies (2008 to 2018) List by: EZabel (110)
8 Studies (2008 to 2018) List by: EZabel (110)
The colors correspond to the answer that each study gives to the question, ordered by publication year:
YesNoMixed resultsInsufficient evidence to answer
For example, if you see an unbroken span of green (meaning "Yes"), followed by mostly purple (meaning "No"), interspersed with bits of orange (meaning "Mixed results"), that means all of the earliest studies answered "yes" to the question, but the consensus of later studies shifted to answering "no", while a few studies found "mixed results".
* Colors representing answers from studies that are literature reviews or which were published in what we deem to be highly regarded sources take up double the amount of space they otherwise would.
When answers are not available, the colors correspond to information about each study:
Study was published in a highly regarded sourceStudy is a literature reviewNo study info to report
* We only generate answers for questions that are capable of being answered "yes" or "no". For other questions, read the study summaries included in the study list to understand the state of knowledge on that question.
The colors correspond to the answer that each study gives to the question, ordered by publication year:
YesNoMixed resultsInsufficient evidence to answer
For example, if you see an unbroken span of green (meaning "Yes"), followed by mostly purple (meaning "No"), interspersed with bits of orange (meaning "Mixed results"), that means all of the earliest studies answered "yes" to the question, but the consensus of later studies shifted to answering "no", while a few studies found "mixed results".
* Colors representing answers from studies that are literature reviews or which were published in what we deem to be highly regarded sources take up double the amount of space they otherwise would.
When answers are not available, the colors correspond to information about each study:
Study was published in a highly regarded sourceStudy is a literature reviewNo study info to report
* We only generate answers for questions that are capable of being answered "yes" or "no". For other questions, read the study summaries included in the study list to understand the state of knowledge on that question.
Does gerrymandering benefit candidates from the gerrymandering party?
11 Studies (1985 to 2017) List by: HBaldini (86)
11 Studies (1985 to 2017) List by: HBaldini (86)
The colors correspond to the answer that each study gives to the question, ordered by publication year:
YesNoMixed resultsInsufficient evidence to answer
For example, if you see an unbroken span of green (meaning "Yes"), followed by mostly purple (meaning "No"), interspersed with bits of orange (meaning "Mixed results"), that means all of the earliest studies answered "yes" to the question, but the consensus of later studies shifted to answering "no", while a few studies found "mixed results".
* Colors representing answers from studies that are literature reviews or which were published in what we deem to be highly regarded sources take up double the amount of space they otherwise would.
When answers are not available, the colors correspond to information about each study:
Study was published in a highly regarded sourceStudy is a literature reviewNo study info to report
* We only generate answers for questions that are capable of being answered "yes" or "no". For other questions, read the study summaries included in the study list to understand the state of knowledge on that question.
The colors correspond to the answer that each study gives to the question, ordered by publication year:
YesNoMixed resultsInsufficient evidence to answer
For example, if you see an unbroken span of green (meaning "Yes"), followed by mostly purple (meaning "No"), interspersed with bits of orange (meaning "Mixed results"), that means all of the earliest studies answered "yes" to the question, but the consensus of later studies shifted to answering "no", while a few studies found "mixed results".
* Colors representing answers from studies that are literature reviews or which were published in what we deem to be highly regarded sources take up double the amount of space they otherwise would.
When answers are not available, the colors correspond to information about each study:
Study was published in a highly regarded sourceStudy is a literature reviewNo study info to report
* We only generate answers for questions that are capable of being answered "yes" or "no". For other questions, read the study summaries included in the study list to understand the state of knowledge on that question.
The colors correspond to the answer that each study gives to the question, ordered by publication year:
YesNoMixed resultsInsufficient evidence to answer
For example, if you see an unbroken span of green (meaning "Yes"), followed by mostly purple (meaning "No"), interspersed with bits of orange (meaning "Mixed results"), that means all of the earliest studies answered "yes" to the question, but the consensus of later studies shifted to answering "no", while a few studies found "mixed results".
* Colors representing answers from studies that are literature reviews or which were published in what we deem to be highly regarded sources take up double the amount of space they otherwise would.
When answers are not available, the colors correspond to information about each study:
Study was published in a highly regarded sourceStudy is a literature reviewNo study info to report
* We only generate answers for questions that are capable of being answered "yes" or "no". For other questions, read the study summaries included in the study list to understand the state of knowledge on that question.
Do formula-fed infants sleep more than breastfed infants?
14 Studies (1983 to 2017) List by: EZabel (110)
14 Studies (1983 to 2017) List by: EZabel (110)
The colors correspond to the answer that each study gives to the question, ordered by publication year:
YesNoMixed resultsInsufficient evidence to answer
For example, if you see an unbroken span of green (meaning "Yes"), followed by mostly purple (meaning "No"), interspersed with bits of orange (meaning "Mixed results"), that means all of the earliest studies answered "yes" to the question, but the consensus of later studies shifted to answering "no", while a few studies found "mixed results".
* Colors representing answers from studies that are literature reviews or which were published in what we deem to be highly regarded sources take up double the amount of space they otherwise would.
When answers are not available, the colors correspond to information about each study:
Study was published in a highly regarded sourceStudy is a literature reviewNo study info to report
* We only generate answers for questions that are capable of being answered "yes" or "no". For other questions, read the study summaries included in the study list to understand the state of knowledge on that question.
The colors correspond to the answer that each study gives to the question, ordered by publication year:
YesNoMixed resultsInsufficient evidence to answer
For example, if you see an unbroken span of green (meaning "Yes"), followed by mostly purple (meaning "No"), interspersed with bits of orange (meaning "Mixed results"), that means all of the earliest studies answered "yes" to the question, but the consensus of later studies shifted to answering "no", while a few studies found "mixed results".
* Colors representing answers from studies that are literature reviews or which were published in what we deem to be highly regarded sources take up double the amount of space they otherwise would.
When answers are not available, the colors correspond to information about each study:
Study was published in a highly regarded sourceStudy is a literature reviewNo study info to report
* We only generate answers for questions that are capable of being answered "yes" or "no". For other questions, read the study summaries included in the study list to understand the state of knowledge on that question.
The colors correspond to the answer that each study gives to the question, ordered by publication year:
YesNoMixed resultsInsufficient evidence to answer
For example, if you see an unbroken span of green (meaning "Yes"), followed by mostly purple (meaning "No"), interspersed with bits of orange (meaning "Mixed results"), that means all of the earliest studies answered "yes" to the question, but the consensus of later studies shifted to answering "no", while a few studies found "mixed results".
* Colors representing answers from studies that are literature reviews or which were published in what we deem to be highly regarded sources take up double the amount of space they otherwise would.
When answers are not available, the colors correspond to information about each study:
Study was published in a highly regarded sourceStudy is a literature reviewNo study info to report
* We only generate answers for questions that are capable of being answered "yes" or "no". For other questions, read the study summaries included in the study list to understand the state of knowledge on that question.
Do baseball players seeking a new contract perform better in the final year of their current contract?
3 Studies (2008 to 2011) List by: RBrown (30)
3 Studies (2008 to 2011) List by: RBrown (30)
The colors correspond to the answer that each study gives to the question, ordered by publication year:
YesNoMixed resultsInsufficient evidence to answer
For example, if you see an unbroken span of green (meaning "Yes"), followed by mostly purple (meaning "No"), interspersed with bits of orange (meaning "Mixed results"), that means all of the earliest studies answered "yes" to the question, but the consensus of later studies shifted to answering "no", while a few studies found "mixed results".
* Colors representing answers from studies that are literature reviews or which were published in what we deem to be highly regarded sources take up double the amount of space they otherwise would.
When answers are not available, the colors correspond to information about each study:
Study was published in a highly regarded sourceStudy is a literature reviewNo study info to report
* We only generate answers for questions that are capable of being answered "yes" or "no". For other questions, read the study summaries included in the study list to understand the state of knowledge on that question.
The colors correspond to the answer that each study gives to the question, ordered by publication year:
YesNoMixed resultsInsufficient evidence to answer
For example, if you see an unbroken span of green (meaning "Yes"), followed by mostly purple (meaning "No"), interspersed with bits of orange (meaning "Mixed results"), that means all of the earliest studies answered "yes" to the question, but the consensus of later studies shifted to answering "no", while a few studies found "mixed results".
* Colors representing answers from studies that are literature reviews or which were published in what we deem to be highly regarded sources take up double the amount of space they otherwise would.
When answers are not available, the colors correspond to information about each study:
Study was published in a highly regarded sourceStudy is a literature reviewNo study info to report
* We only generate answers for questions that are capable of being answered "yes" or "no". For other questions, read the study summaries included in the study list to understand the state of knowledge on that question.
Do baseball players who sign lucrative contracts perform worse after signing?
4 Studies (1999 to 2016) List by: KArora (98)
4 Studies (1999 to 2016) List by: KArora (98)
The colors correspond to the answer that each study gives to the question, ordered by publication year:
YesNoMixed resultsInsufficient evidence to answer
For example, if you see an unbroken span of green (meaning "Yes"), followed by mostly purple (meaning "No"), interspersed with bits of orange (meaning "Mixed results"), that means all of the earliest studies answered "yes" to the question, but the consensus of later studies shifted to answering "no", while a few studies found "mixed results".
* Colors representing answers from studies that are literature reviews or which were published in what we deem to be highly regarded sources take up double the amount of space they otherwise would.
When answers are not available, the colors correspond to information about each study:
Study was published in a highly regarded sourceStudy is a literature reviewNo study info to report
* We only generate answers for questions that are capable of being answered "yes" or "no". For other questions, read the study summaries included in the study list to understand the state of knowledge on that question.
The colors correspond to the answer that each study gives to the question, ordered by publication year:
YesNoMixed resultsInsufficient evidence to answer
For example, if you see an unbroken span of green (meaning "Yes"), followed by mostly purple (meaning "No"), interspersed with bits of orange (meaning "Mixed results"), that means all of the earliest studies answered "yes" to the question, but the consensus of later studies shifted to answering "no", while a few studies found "mixed results".
* Colors representing answers from studies that are literature reviews or which were published in what we deem to be highly regarded sources take up double the amount of space they otherwise would.
When answers are not available, the colors correspond to information about each study:
Study was published in a highly regarded sourceStudy is a literature reviewNo study info to report
* We only generate answers for questions that are capable of being answered "yes" or "no". For other questions, read the study summaries included in the study list to understand the state of knowledge on that question.
How often do pitchers successfully return from Tommy John surgery?
12 Studies (2013 to 2016) List by: GVerdon (12)
12 Studies (2013 to 2016) List by: GVerdon (12)
The colors correspond to the answer that each study gives to the question, ordered by publication year:
YesNoMixed resultsInsufficient evidence to answer
For example, if you see an unbroken span of green (meaning "Yes"), followed by mostly purple (meaning "No"), interspersed with bits of orange (meaning "Mixed results"), that means all of the earliest studies answered "yes" to the question, but the consensus of later studies shifted to answering "no", while a few studies found "mixed results".
* Colors representing answers from studies that are literature reviews or which were published in what we deem to be highly regarded sources take up double the amount of space they otherwise would.
When answers are not available, the colors correspond to information about each study:
Study was published in a highly regarded sourceStudy is a literature reviewNo study info to report
* We only generate answers for questions that are capable of being answered "yes" or "no". For other questions, read the study summaries included in the study list to understand the state of knowledge on that question.