Estimating Slope and Level Change in N = 1 Designs

Antonio Solanas; Rumen Manolov; Patrick Onghena

Behavior Modification Vol. 34, No. 3 (2010) pp. 195–218

The current study proposes a new procedure for separately estimating slope change and level change between two adjacent phases in single-case designs. The procedure eliminates baseline trend from the whole data series before assessing treatment...

Improving the effectiveness of peer feedback for learning

Sarah Gielen; Elien Peeters; Filip Dochy; Patrick Onghena; Katrien Struyven

Learning and Instruction Vol. 20, No. 4 pp. 304–315

The present study examined the effectiveness of (a) peer feedback for learning, more specifically of certain characteristics of the content and style of the provided feedback, and (b) a particular instructional intervention to support the use of the ...

Language: English

The heuristic interpretation of box plots

Stephanie Lem; Patrick Onghena; Lieven Verschaffel; Wim Van Dooren

Learning and Instruction Vol. 26, No. 1 (August 2013) pp. 22–35

Box plots are frequently used, but are often misinterpreted by students. Especially the area of the box in box plots is often misinterpreted as representing number or proportion of observations, while it actually represents their density. In a first ...

Language: English

Students’ misconceptions of statistical inference: A review of the empirical evidence from research on statistics education

Ana Elisa Castro Sotos; Stijn Vanhoof; Wim Van den Noortgate; Patrick Onghena

Educational Research Review Vol. 2, No. 2 pp. 98–113

A solid understanding of inferential statistics is of major importance for designing and interpreting empirical results in any scientific discipline. However, students are prone to many misconceptions regarding this topic. This article structurally...

Language: English