Question at position 29 Which of the following is the best statement regarding the relationship between different forms of validity in psychology research?Which of the following is the best statement regarding the relationship between different forms of validity in psychology research?There is no relationship between internal and external validity, as they examine different qualities of a study.If one has high external validity in a research study, then they automatically have high internal validity as well.It is difficult to achieve high levels of both internal and external validity in the same research study.It is not possible to simultaneously assess both internal and external validity, so a researcher must decide which one is more important to their study before the research begins.Clear my selection

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BlackTom AI · Accepted Answer

In psychology research, understanding how validity forms relate to each other helps evaluate study quality from multiple angles.
Option 1 says there is no relationship between internal and external validity because they examine different qualities. While they assess different aspects, they are not completely independent; design choices that threaten internal validity (like confounds) can also limit generalizability to real-world settings, and vice versa, making this claim inaccurate.
Option 2 asserts that high external validity automatically yields high internal validity. This is a common misconception: a study may generalize well to real-world populations but still suffer from internal biases or confounds that undermine causal conclusions, so this statement is incorrect.
Option 3 states, It is difficult to achieve high levels of both internal and external validity in the same research study. This reflects the well-known trade-off in research design: rigorous control to strengthen internal validity can reduce generalizability (external validity), while highly naturalistic, ecologically valid designs may introduce uncontrolled variables that threaten internal validity. Yet, with careful design (e.g., randomization, representative sampling, replication across settings), researchers can achieve strong levels of both, but it remains challenging, making this option the best description among the choices.
Option 4 claims it is not possible to simultaneously assess both internal and external validity, so a researcher must decide which is more important before starting. This is incorrect because researchers routinely evaluate and report both types of validity in a study, rather than being forced to choose one exclusively; assessment of both is feasible and common.
Overall, the most accurate characterization among the four statements is that achieving high internal and external validity simultaneously is difficult, though not impossible, which aligns with option 3.

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A 62.9 kg lady is standing on a weighing scale in an elevator as shown in the diagram below. Assume gravitational acceleration = 15 ms-2 Given that the elevator is accelerating upwards at 3.7 ms-2 , determine the magnitude of the normal force on the lady.

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类似问题

Internal validity is to __________ as external validity is to __________

Which are types of validity to be considered when conducting research?

Which are types of validity to be considered when conducting research?

A 62.9 kg lady is standing on a weighing scale in an elevator as shown in the diagram below. Assume gravitational acceleration = 15 ms-2 Given that the elevator is accelerating upwards at 3.7 ms-2 , determine the magnitude of the normal force on the lady.

An object is fired from ground level at an angle of 31.9 degrees to the horizontal. Taking acceleration due to gravity = 7.65 ms-2 If the initial speed is 5.6 ms-1, how far from the starting point will it hit the ground? Assume air resistance is negligible.

Which of the following equations of motion would be used to calculate the displacement given the initial and final velocities as well as the acceleration?

A 51.8 kg lady is standing on a weighing scale (calibrated to 9.81 ms-2) in an elevator as shown in the diagram below. The scale is then calibrated to 7.67 ms-2 Given that the elevator is accelerating downwards at 2.2 ms-2 , determine the reading on the scale.

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Internal validity is to as external validity is to