Exam 7: Validity

Students as a group tend to perform better on the second exam.This is similar to ____,which is a threat to validity

List at least 4 threats to internal validity and explain what they mean.

The basic idea of validity is that conclusions based on research (are)

To ascertain the effect of wilderness survival training,a researcher measures a group of 14-year-old Boy Scouts and a group of 8-year-old Boy Scouts who have not yet had wilderness survival training.The boys are measured at the same time on proficiency in various skills.Discuss the weaknesses related to experimental validity.

Define the concepts internal and external validity.Discuss why we say that for some experiments an attempt at increasing one type tends to jeopardize the other type.

In a study of social interaction in mixed-gender groups,a researcher unconsciously treats women participants differently from the men participants when he reads them the instructions for the experiment.This is an example of

People tend to deviate from their true score on a test due to

If you were studying the effects of success and failure on feelings of depression and all of the participants experienced the failure condition on a rainy Monday and the success condition on a sunny Wednesday,____ might be a threat to internal validity.

Role demands are a source of

Marie is a participant in an experiment on food preferences.She has a habit of eating her fish sandwiches with coleslaw,cocktail sauce,and peanut butter on them on them.When asked about her preferences in eating fish,she doesn't mention all of the condiments that she uses.Marie is showing

An experiment in which extraneous variables are controlled is said to be

Milgram's famous study (1963)in which people were led to believe that they were administering shocks to other people illustrates the power of obedience and

If people who drop out of study are systematically different from those who stay,we have which threat to validity?

The threat of confounding is particularly serious in research using

If a researcher finds a result in a laboratory setting but not in a real world setting,the finding

In the early stages of an experiment,several participants discover that they are being deceived.Since the deception is harmless,they decide to play along so as not to embarrass the researcher.Which one of the following terms best describes this scenario?

Jolene just got a 17 out of 100 on a psychology test.Her friend Melba tries to cheer her up by pointing out that she should perform better on the next test,simply due to ____

A researcher that is exploring gender differences is testing

Which one of the following is not a threat to the internal validity of an experiment?

A researcher designs a study to assess the effects of individual versus group practice on problem-solving achievement of fifth-grade children.Two teachers in an inner city elementary school volunteer to participate in the study and they decide between themselves which method,either the individual or group method,their students will use.After a 10 week period,a problem solving test is administered to the children.Discuss the threats to internal and external validity in this study.