Is there a homefield advantage in baseball?

Submitted by: JAloni 105

Yes, there is a homefield advantage in baseball. The studies in this list for which we have identified answers are unanimous on this conclusion.
This short answer was generated by aggregating the answers that each of the 5 studies below gave to the question (as indicated by State of K members) and adjusting for source quality and other factors. If key studies are missing or the answers attributed to individual studies are incorrect, the above answer could be wrong.


Chart summary of 5 studies examining this question

All answers are assigned by State of K users. The label Couldn't Identify means that State of K was not able to determine whether a study answers the question "yes" or "no". This could be due to several factors. One possibility is that a study found some evidence to indicate that the answer to the question is "yes" and some evidence to indicate that the answer is "no". This often happens when a study uses two or more proxies to study the same phenomenon (i.e. firearm sales figures and self-reported firearm ownership rates as proxies for the prevalence of firearms) and the proxies yield different results when looking for correlations with another phenomenon (i.e. firearm-related deaths). Alternatively, the label may be applied if the phenomenon under study (i.e. whether breast milk improves cognitive function) is true for one group, but not another (i.e. true for girls, but not for boys). Yet another possibility is that a study found there was insufficient evidence to reach a conclusion regarding the question. Finally, the full text or abstract of a study may not have been written clearly or was inaccessible. This would make it difficut to determine how a study answered a question.

All labels of Literature Reviews and source quality are assigned by State of K. For academic journals, the label "Q[NUMBER]" is an indication of the quality of the publication. The "NUMBER" refer to the best quartile in which the journal appeared among all the subjects in which the journal was ranked by Scimago Institutions Rankings. For example, if a journal was ranked in the third quartile (Q3) in infectious diseases, but in the second quartile in Ebola studies (Q2), you would see "Q2". The best quartile is "Q1". Publications other than academic journals may be labeled as "Highly Regarded Sources". Government sources receive this label as do NGOs ranked by the TTCSP Global Go To Think Tank Index Reports. The information contained in a source that is labeled "highly regarded" or "Q1" is not necessarily more accurate than information contained in a source without that label, but these are rough guides to source quality.


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SUMMARIES OF STUDIES
Total studies in list: 5
Sorted by publication year
1
Home Advantage in Retractable-Roof Baseball Stadia
"This study examined whether the home advantage varies for open-air, domed, or retractable-roof baseball stadia, and whether having the roof open or closed affects the home advantage in retractable-roof baseball stadia. Data from Major League Baseball (MLB) games played between 2001 and 2009 were analyzed for whether or not the presence of a home-advantage was dependent on the type of home stadium used. Home advantage was robust for all three types of stadia. A significant effect of stadium type on home advantage was found, with a greater home advantage for teams playing home games in domed stadia relative to open-air stadia, replicating a previous study. There was a greater home advantage for teams playing home games in domed stadia relative to retractable-roof stadia. No other differences in the home advantage were found; results are discussed in terms of familiarity with the facility."
AUTHOR
Paul Romanowich
PUBLISHED
in Perceptual and Motor Skills
Q4
Yes
Yes
2
The Home Advantage in Major League Baseball
"© Perceptual & Motor Skills 2015.Home advantage is smaller in baseball than in other major professional sports for men, specifically football, basketball, or soccer. This paper advances an explanation. It begins by reviewing the main observations to support the view that there is little or no home advantage in individual sports. It then presents the case that home advantage originates in impaired teamwork among the away players. The need for teamwork and the extent of it vary from sport to sport. To the extent that a sport requires little teamwork it is more like an individual sport, and the home team would be expected to enjoy only a small advantage. Interactions among players on the same side (teamwork) are much less common in baseball than in the other sports considered."
AUTHOR
Marshall B. Jones
PUBLISHED
2015 in Perceptual and Motor Skills
Q4
Yes
Yes
3
AUTHOR
Yoshinori TAKIGAMI
PUBLISHED
2010 in The Proceedings of the Annual Convention of the Japanese Psychological Association
UNRANKED SOURCE
Yes
Yes
4
Home Field (Dis)Advantage and the "Last-Ups" Effect
"The rules of baseball have an intriguing quirk that other major-league sports do not have, namely, the sequential order of play which always affords the last at-bat to the home team. We became interested in exploring the strategic effects of this quirk. If there is a significant strategic advantage (or disadvantage) to having the last at-bat, it may show up as a difference in win percentage of the home team in close games, where strategy is more important, compared to the win percentage of home teams in games which are blowouts. Our paper is motivated by attempting to exploit the "natural experiment" of comparing close games to blowouts.In previous literature, the possibility that strategic effects might come into play because of the sequential nature of the play is only partially recognized. For example, Carmichael and Thomas state as their third reason for home field advantage, "rules factors that may extend special privileges explicitly favoring the home team, such as the home team in baseball and softball always having the last 'bat.'"1 These authors only recognize the possibility that the last at-bat might give the home team the advantage when there is reason to believe that it is the visitors who actually have the advantage. Indeed, among baseball, basketball, hockey, football, and soccer, the strategic effect due to sequential play is only operative in baseball, yet baseball has the lowest home-field advantage of these five major sports.The difference between the home winning percentage and the away winning percentage is statistically significantly positive for all major sports, but differs from sport to sport. In baseball, from 1901–2002, the average difference per team per year was 0.082, which for a .500 team in a 162 game season would lead approximately to records of 44-37 at home and 37-44 on the road."
AUTHORS
Franklin Lowenthal
Stephen Shmanske
PUBLISHED
2009 in NINE: A Journal of Baseball History and Culture
UNRANKED SOURCE
Yes
Yes
5
An Analysis of the Home-Field Advantage in Major League Baseball Using Logit Models: Evidence from the 2004 and 2005 Seasons
"Using data from the 4,858 baseball games that were played in the major leagues during the 2004 and 2005 seasons, four logit regression models that measure the likelihood of a team winning a game are estimated. Of particular interest is the effect of being the home team. As expected, the results indicate that a home-field advantage does exist in the major leagues, but only under certain circumstances. Specifically, the strength of the home-field advantage varies with the number of runs scored by the home team and with the run differential between the winning and losing team. The probability of a home team winning a game increases as it scores more runs, but it increases at a decreasing rate. Also, for a given number of runs scored, a home team is more likely to win a game than a visiting team. The home-field advantage is strongest in games where the run differential between the winning team and losing team is one run. It is weaker in games where the run differential is two runs and is non-existent in games where the run differential is three runs or more."
AUTHORS
Anthony G. Barilla
William Levernier
PUBLISHED
2007 in Journal of Quantitative Analysis in Sports
Q2
Couldn't Identify
Couldn't Identify







ADDITIONAL STUDIES TO CONSIDER ADDING TO LIST
State of K periodically recommends additional studies to add to this list, both newly published and newly discovered. There are none for now, but check back another time.


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