Exam 5: The Hypothesis

A researcher stated the following hypothesis: "Use of the inquiry method in teaching high school social studies results in an improvement in students' thinking ability." Which term in the above hypothesis would most need an operational definition?

Which one of the following should be included in the statement of a hypothesis?

Why does a quantitative researcher state a hypothesis before gathering data?

Which one of the following statements made to distinguish between theory and hypothesis is correct?

A null hypothesis is a

If the research hypothesis is: Tangible reinforcement is more effective in promoting the learning of math concepts among kindergarten children than intangible reinforcement, the alternate hypothesis is

Exhibit 5-6: Classify each of the following hypotheses as directional research, nondirectional research, or null. -Refer to Exhibit 5-6.Elementary school children who read above grade level will have more positive attitudes toward school than those who read at or below grade level.

Exhibit 5-1 During a fire drill a teacher marched the class from their floor classroom to the playground and waited there with them until the drill was over.Upon returning the teacher found Peter, one of the pupils, waiting at his desk.The teacher has formed several hypotheses, which are given in answer options a-d.Choose the hypothesis that best answers the question. -Refer to Exhibit 5-1.Which of the hypotheses violated the criterion that: hypotheses should follow the principle of parsimony in providing explanations.

Hypotheses derived from Kohlberg's moral development model could be classified as

Elementary school children who study programming will score higher on a reasoning test than similar children who do not study programming.This statement is an example of

Exhibit 5-3: Evaluate the adequacy of each of the following statements as a scientific hypothesis. -Refer to Exhibit 5-3.There will be a significant negative correlation between students' verbal ability and their performance in a problem-solving task.

Which one of the following represents a testable hypothesis that might have been derived from a theory of instruction?

The tentative speculations that researchers make about the relationship between the variables in a study are called

An investigator began with a precise and logical hypothesis.He ran a well-planned and well-conducted experiment to test the deduced consequences of this hypothesis.No evidence was found to support the hypothesis.The investigator should report that

Exhibit 5-4: Examine the hypotheses provided in answer options a-d, then answer the questions. -Refer to Exhibit 5-4.Which one is not testable?

One of the postulates of Piaget's theory of egocentric behavior is that egocentric children have a conception of reality based only on their own point of view.Which of the following represents a testable hypothesis that could be derived through deductive reasoning from this theory?

"First-born children scored significantly higher on the need-achievement scale than those born later." This statement is a

If a hypothesis is stated in an "if-then" form, the independent variable is part of

Exhibit 5-6: Classify each of the following hypotheses as directional research, nondirectional research, or null. -Refer to Exhibit 5-6.Methods A and B are equally effective in teaching English composition.

It is often said that "The hypothesis is the heart of a research study." Explain why you think this would be true.