When examining the effect of appearances on judgments of criminal behavior, a researcher asks questions about the surroundings and the victim to disguise the dependent measures in the study. These unrelated questions are referred to as

A manipulation check is advantageous when

A researcher conducted a study to analyze the effect of gender bias on company recruitment. Participants were told that the purpose of the study was something different than it actually was. This deception was most likely implemented to avoid

Renata wants to compare the math skills of boys and girls in the sixth grade. She administers a series of math problems to both the groups and asks them to solve as many problems as they can within a 15-minute time period. She finds that both the groups were able to answer only 20 percent of the problems. The results are most likely due to a________ effect.

Saul, a researcher, offers a bowl of normal dog food and another bowl of vitamin-enriched dog food to his pet dog. He then records the amount of food consumed from each bowl to measure his pet dog’s food preference. Saul has most likely used a________ in this scenario.

In a repeated measures design, when the sequence of presenting the treatments determines the participants’ responses in part, the researcher is dealing with

Phillipe, a researcher, examined the effect of lighting on learning. Randomly selected participants were asked to learn the same chapter using either a 100-watt or a 125-watt bulb. He found no difference between the learning capacities of the two groups. The nonsignificant results may have occurred because of

A researcher examines the effect of the physical attractiveness of a driver involved in an automobile accident (unattractive, average, or attractive) and the severity of damage caused ($500, $1,500, or $2,500) on judgments of responsibility assigned to the driver. Which of the following represents the factorial design?

A researcher designs an experiment in which the following variables are manipulated: temperature (low or high), illumination level (low or high), and time of testing (day or night). For a repeated measures design, how many participants would the researcher require in order to have 10 participants per condition?

In a shopping mall, a marketing researcher asks customers if they would prefer soda in a bottle or in a can. Their responses would be an example of a________ measure.