Exam 2: Statistics in the Context of Scientific Research

If it takes a person 45 seconds to complete a task, then the lower real limit for this score is seconds.

A variable that can assume an infinite set of values between any two levels of the variable is a variable.

Rank ordering students on their grade point average results in measurement.

A psychologist unobtrusively observes children in a preschool to study the children's interactions with each other. The research method used by this psychologist is called.

A general approach used by a behavioral scientist to collect data is called a(n).

Data obtained from rating scales often are treated statistically as representing measurement.

Assigning numerical values to a variable with a scale that possesses a physically real zero point is measurement.

A researcher was interested in evaluating the effect of gender on detecting whether another person is lying or not. What research method would be optimal?

The number of people in a group classified as either students or nonstudents illustrates a(n).

Time, length and weight are variables that typically are measured by scales.

A bathroom scale used to measure a person's weight provides a(n) measurement.

Using involves observing behaviors occurring in natural settings without intruding into the situation.

The fifth place finisher in a ski race was wearing the number 57. In this example the number 57 represents measurement.

If you classify individuals by assigning the value 1 to males and the value 2 to females, you are using measurement.

If a digital scale displays Margaly's weight as 116 pounds, then the lower real limit of her weight is pounds.

A person who is 50 years old can be said to be twice as old as a person who is 25 years old, because the measurement of age is made with a scale.

The commonly-used 5- or 7-point rating scale with values ranging from strongly agree to strongly disagree represents at least measurement.

Assigning numbers to variables following a set of rules refers to the process of.

Determining dominance order by ordering animals along the dimension of "most dominant" to "least dominant" represents measurement.

Which of the following scales of measurement provides the greatest precision in measurement?