Ordinals numbers tell you what position something is in. You often use them to rank or order things. Most ordinal numbers end with a 'th' sound, like 'fourth' or 'fifth'. However, they can also end ...

1. Why do you need an operational definition when you already have a perfectly good conceptual definition? In your conceptual definitions you explain what your constructs are by showing how they ...

Space to play or pause, M to mute, left and right arrows to seek, up and down arrows for volume. Hiya, Flynn. What are you doing? Oh, hi, Dodly. Well, my toy dinosaurs - hello, little guys, ha-ha - ...

Two rhesus monkeys (Macaca mulatta) learned that the arabic numerals 0 through 9 represented corresponding quantities of food pellets. By manipulating a joystick, the monkeys were able to make a ...