Critical thinking and problem solving chapter 15

An experiment is internally valid when the effects of an extraneous variable —a variable not the focus of the experiment — have not been mistaken for the effects of the IV. Heuristic value- would lead other researchers to conduct more experiments on the same topic. Manipulation check- verifies how successfully the experimenter manipulated the situation he or she intended to produce.

Ex: Did subjects follow instructions properly? Did you manipulate the IV successfully?

Did the sad film really make the subjects feel sad? Were subjects in the low-anxiety condition really less anxious than subjects in the high anxiety condition? If something other than the IV can explain the results, the experiment is not internally valid. Statistical tests allow us to make probability statements only, and there is always a chance of Type I error.

Statistical conclusion validity- the validity of drawing conclusions about a treatment effect from the statistical results that were obtained.

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If the changes of making a Type I error have been increased, then statistical conclusion validity has been lowered. Findings can be statistically significant but not very meaningful.

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Ex: if the effect size is small, you should not draw any sweeping conclusions — may have made a type I error. An experiment is externally valid if the results can be extended to other situations accurately. Use induction when we make generalizations based on a specific set—reason from specific facts to more general principles. Demonstrates a cause-and-effect relationship- no confounding. Can be replicated. Experiments may have different outcomes when they are run on different samples. Practical problems also prevent us from obtaining truly random samples. There is typically a bias in the way human subjects are chosen, if only because they are all volunteers.

When we have trouble finding subjects, we will also have trouble getting samples that are typical of the population we are trying to study, thereby limiting the external validity. Generalizing from Procedures to Concepts: Research Significance.

CHAPTER 15 Transfer Problem Solving and Critical Thinking B Hoffman

Ideally, our findings also illustrate the operation of general principles; they are not unique to the particular procedures used in the experiment. Sometimes attempts to generalize across procedures raise theoretical issues- study variables that can brave multiple operational definitions. Ultimately, we would like to use induction to build new theories and to apply our findings to practical problems. Researchers qualify the conclusions they draw because there is no way to be certain their generalizations will always be true.

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If our findings have some degree of generality, we expect them to be consistent with the findings of prior researchers. Evaluating statistical significance — Are the consistent with prior studies?

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If so, how do they clarify or extend our knowledge? Do they have implications for broader theoretical issues? The theory can stand as log as it is adequate to explain observed results. Laboratory experiment- most precise tool for measuring the effect of an IV as it varies under controlled conditions. Hanson- found more laboratory than field studies reporting a positive correlation between reported attitudes and behavior. Five general approaches to increase and verify the external validly of laboratory findings: Aggregation, multivariate designs, nonreactive measurements, field experiments, and naturalistic observations.

Aggregation- the grouping together and averaging of data in various ways. Aggregation Over subjects- larger sample is more representative of the population- greater external validity. Aggregation over stimuli or situations- having sampled a variety of situations, we can have more confidence in our results. I wisely decided to find 4 possible solutions to our problem. Another solution solution 2 increases the number of patients 'days by increasing the patient' s intake.

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The third solution solution 3 is to expand service costs to patients. The fourth and last possible solution solution 4 for my brainstorming is a combination of the other two possible solutions.

Soft Skills--Critical Thinking And Problem Solving

I think we can reduce fixed costs and increase the cost of services transferred to patients and insurance companies. The problem resolution file focuses on a specific problem or set of problems. Practical and simple, yet profound. Every leader, every decision maker, needs this guide! This is a book developed thru years of working with leaders and teams to move them to new levels of problem solving and performance.

The improvements in the subsequent product developments and intra-team dynamics were impressive, breaking historical patterns of thinking processes.

Perry & Potter Chapter 15.pptx

The exercises in Think Smarter are especially helpful in bringing clarity to the use of the tools and techniques introduced. Think Smarter is a must read for leaders who are challenged with solving the everyday problems of a business while finding approaches that step up the innovative capabilities of their teams. Dan Yost, Managing Partner at Dankat and former EVP at Qwest Communications Here are a few of the reviews found on-line "Read Think Smarter and refer to it daily to help your team improve their decisions and grow your business faster and more profitably" "Think Smarter is an unusual book about the process that moves from thinking to deciding to doing.

Unlike most books, Kallet's book is accessible to most readers and the content is easy to apply.