Search results for "Relatedne"
showing 2 items of 42 documents
The basic psychological needs in physical education scale in Filipino
2013
The Basic Psychological Needs in Physical Education Scale (BPNPE Scale: Vlachopoulos, Katarzi, & Kontou, 2011) is a short instrument grounded in Self-Determination Theory (Ryan & Deci, 2000; 2002), designed to measure fulfillment of students’ basic needs for competence, autonomy, and relatedness in physical education context. The Greek version of this instrument has been reported to have adequate factor structure and strong internal reliability. Instruments developed in other culture need to be examined using a sample from the target culture in order to establish its cultural utility. The primary aim of this study was to explore the factor structure, construct validity, and reliability of t…
Kin selection in interactions between gametes: Gamete competition, gamete limitation, and sex allocation
2023
Kin selection on one hand, and gamete interactions in post-ejaculatory sexual selection on the other are two major research themes that have risen to prominence over the past half century and have simultaneously developed into central fields of research in evolutionary biology. There is a natural connection between the two: when gametes interact with each other, very commonly many of them originate from the same parent and are thus siblings. For example, sperm competition will almost always involve competition between sibling gametes even if the interacting parents are not related to each other. If parents are related to each other, the relatedness between gametes increases further. Here we…