Thinking critically with psychological science quizlet

Effective thesis statements do what quizlet

Why not? Naturalistic Observation. Naturalistic observation does not explain behavior. What are the advantages and disadvantages of naturalistic observation? The study by Mehl and Pennebaker carefully observes and records naturally occurring behaviors—outside the artificiality of the lab. Because this is not an experiment, the study does not reveal the factors that influence everyday speech. Wording Effect. Subtle changes in the order or wording of questions can have major effects on how a person will answer a question. Random Sampling.

A sample that fairly represents a population because each member has an equal chance of inclusion. Representative Sampling. Sampling a group of people that represent the total population.

AP Psych Chapter 1 (Myers) in 10 Minutes: Thinking Critically

All the cases in a group being studied, from which samples may be drawn. What is sampling bias , and how do researchers avoid it? Random sampling helps researchers avoid sampling bias, which occurs when a survey group is not representative of the population being studied. A measure of the extent to which two factors vary together, and thus of how well either factor predicts the other. Correlation Coefficient. A graphed cluster of dots, each of which represents the values of two variables. The slope of the points suggests the direction of the relationship between the two variables. The amount of scatter suggests the strength of the correlation little scatter indicates high correlation.

A correlation is Positive if:. A correlation is Negative if:.

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Positive or Negative correlation? The more children and youth use various media, the less happy thew are with their lives Kaiser, Positive or negative correlation? The more sexual content teens see on TV, the more likely they are to have sex Collins et al.

Nursing Process And Critical Thinking - ProProfs Quiz

The more income rose among a sample of poor families, the fewer psychiatric symptoms their children experienced Costello et al. Length of marriage correlates with hair loss in men.

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  7. Does this mean that marriage causes men to lose their hair or that balding men make better husbands? In this case, as in many others, a third factor obviously explains the correlation: Golden anniversaries and baldness both accompany aging. A research method in which an investigator manipulates one or more factors independent variables to observe the effect on some behavior or mental process the dependent variable. By random assignment of participants, the experimenter aims to control other relevant factors.

    Experiments enable researchers to isolate the effects of one or more factors by:. Experimental Group. In an experiment, the group that is exposed to the treatment, that is, to one version of the independent variable. Control Group. In an experiment, the group that is not exposed to the treatment; contrasts with the experimental group and serves as a comparison for evaluating the effect of the treatment.

    The Scientific Method

    Random Assignment. Assigning participants to experimental and control groups by chance, thus minimizing preexisting differences between those assigned to the different groups. Double-blind procedure. An experimental procedure in which both the research participants and the research staff are ignorant blind about whether the research participants have received the treatment or a placebo. Commonly used in drug-evaluation studies.

    Placebo Effect. Experimental results caused by expectations alone; any effect on behavior caused by the administration of an inert substance or condition, which the recipient assumes is an active agent. What measure do researchers use to prevent the placebo effect from confusing their results? Use of a control group , which is given a placebo and not the real treatment, allows results to be compared to the group that is given the real treatment, thus demonstrating whether the real treatment produces better results than belief in that treatment.

    Independent Variable. Dependent Variable. The outcome factor; the variable that may change in response to manipulations of the independent variable. Confounding Variable. A factor other than the independent variable that might produce an effect in an experiment. To observe and record behavior Do case studies, naturalistic observations, or surveys Nothing No control of variables; single cases may be misleading.

    Anything that can vary infant nutrition, intelligence, TV exposure—anything within the bounds of what is feasible and ethical. To detect naturally occurring relationships; to assess how well one variable predicts another. Collect data on two or more variables; no manipulation. Nothing Does not specify cause and effect. To explore cause and effect. Manipulate one or more factors; use random assignment. The independent variable s Sometimes not feasible; results may not generalize to other contexts; not ethical to manipulate certain variables,.

    Why, when testing a new drug to control blood pressure, would we learn more about its effectiveness from giving it to half of the participants in a group of than to all participants? If we gave the drug to all participants, we would have no way of knowing if the drug is serving as a placebo or if it is actually medically effective.

    Effective thesis statements do what quizlet

    Psychological Review, 55, Sensation and Perception Review. Terms Powered by Quizlet. Tackle this chapter little by little. You will receive immediate feedback after each answer you type in, explaining why your answer is correct or incorrect, and pointing you to the relevant section in your textbook if you'd like to read more.

    Myers psychology for ap unit 2

    Chapter outlines from "Psychology: Themes and Variations, 8th Edition by Wayne Weiten" to help you review what you've read, chapter-by-chapter. Tone and Tighten 2,, views For many students, this may be their only college-level psychology course. I can go back to them and review, without having to reread the whole chapter. Test Practice - Psychsim Hemispheric Specialization.

    Most psychologists work in research laboratories, hospitals, and other field settings where they study the behaviour of humans and animals. Psychology Today. Click any of the links above for the best AP Psychology practice exams, free response questions, notes, videos, flashcards, and study guides. Textbook author David Myers. Distinguish between absolute and difference thresholds, and discuss whether we can sense and be affected by subliminal or unchanging stimuli.