Studies (page 12)

Kemp and colleagues tested whether the peak-end rule holds for experiences that last days rather than minutes. Forty-nine students on holidays averaging a week sent daily text messages reporting how…

Kendzierski's study is an early demonstration that how people categorise themselves predicts what they do. She sorted participants into three groups by whether being an exerciser was part of their…

This paper extends the exercise self-schema work from the author's earlier study, which had shown that people who consider being an exerciser part of who they are exercise more, plan more and keep…

Killingsworth and Gilbert built a smartphone application that contacted people at random moments during ordinary life and asked three things: what they were doing, how they felt, and whether they…

King and colleagues followed nearly two hundred young adult drinkers for a decade, giving each of them the same alcohol challenge at the start, at five years and at ten, alongside repeated…

Kircanski and colleagues took affect labelling out of the laboratory and into a clinical procedure. People afraid of spiders were repeatedly exposed to a live spider while doing one of four things…

Klein, Ratliff, Vianello and colleagues tested variation in the replicability of thirteen classic and contemporary psychological effects across 36 independent samples totalling 6,344 participants…

This is the data paper accompanying the first Many Labs project, publishing the dataset from Klein, Ratliff, Vianello and colleagues' replication of thirteen classic and contemporary psychological…

Many Labs 2 tested twenty-eight published findings, classic and recent, across a hundred and twenty-five samples in thirty-six countries, with more than fifteen thousand participants and protocols…

Howard Klein and colleagues report four studies in which the perceived status of the person told about a goal was positively related to commitment to the goal and to performance, through evaluation…

None published (RePEc lists no abstract) and the JSTOR full text was not accessible; the results used are as reported in the full texts of Kahneman, Knetsch and Thaler (1990), section VI, and List…

Contradictory results attributed to differences in research methods, contexts and conceptualisations; recommends evidence of actual rather than self-reported behaviour.

1998 New York City Democratic primary, names rotated by precinct; 71 of 79 contests showed a higher share when listed first; in 7 the advantage exceeded the winner's margin.

Kritz and colleagues updated an earlier review that had found real groups, meaning programmes built deliberately on group dynamics, outperformed individual approaches to physical activity. With…

Krol and Krol address a specific problem in the decoy literature: recent studies had reported that the attraction effect fails to replicate when options are presented pictorially rather than as…

Kross and colleagues ran seven studies, with nearly six hundred participants in total, on a change small enough to sound trivial: whether people think about themselves using I or using their own…

No abstract could be found for this paper, so this page does not summarise it.

Six studies, total N = 2,842, students at a Dutch university and US participants from Prolific and MTurk; higher prices raised quality and liking expectations in all studies; no consistent effect on…

Lades, Samahita, Martin, Sunstein and Baekgaard address a gap in the sludge literature, which had described the problem without establishing who bears it. Drawing on a nationally representative…

Lafer-Sousa, Hermann and Conway produced the first systematic study of the dress photograph. The image's pixels are brown and blue, colours associated with natural illuminants, while popular reports…