You find a new scale and take it home. You weigh yourself several times, and notice that, while the scale gives the same result every time, it's reporting your weight almost 10 pounds lower than you're used to seeing. Is this a problem with reliability or validity?

Why is it essential to operationally define the variables in a study?

4. when a child cries out during rough play, the caregiver should a. encourage the distressed child to fight back. b. respond immediately, since the behavior has changed to fighting. c. ignore it, because rough play is a natural part of children’s learning. d. ignore the request for unless there has been an injury. i need answer

Which association ensures quality education for children up to 8 years of age? a. chip b. naeyc c. snap d. wic