Examlex
The sensation of color is seen when light falls on the eye's
Range
The difference between the highest and lowest scores in a set of data, indicating the spread of scores.
p < .05
A statistical term indicating that the probability of the observed data, or more extreme, if the null hypothesis were true, is less than 5%, often used as a threshold for statistical significance.
Experimental Group
In research, a group of subjects who receive the treatment or variable being tested for its effect.
Control Group
The group in an experiment or study that does not receive the experimental treatment, serving as a baseline for comparison with the experimental group.
Q9: The frequency of the second hand on
Q11: In which one of these media does
Q11: Waves diffract the most when their wavelength
Q13: A factor that usually determines whether a
Q16: An iron nail is more strongly attracted
Q20: What international method of payment is issued
Q21: On some early automobiles both headlights went
Q36: An electron is shot through a spot
Q56: A skydiver falls towards the Earth. The
Q117: A negatively charged rod is held near