@article{1cd8e3a50aa94e669288569396b039b6,
title = "Methodological issues in the meta‐analysis of quasi‐experiments",
author = "Bryant, \{Fred B.\} and Wortman, \{Paul M.\}",
note = "Abstract Special problems arise when meta‐analysis is applied to quasi‐experiments. Careful consideration of threats to each study's validity may help the meta‐analyst to avoid these pitfalls.",
year = "1984",
month = jan,
day = "1",
doi = "10.1002/ev.1375",
language = "American English",
volume = "1984",
journal = "New Directions for Program Evaluation",
number = "24",
}