因此，我一直在尝试其他帖子中建议的不同选项，以重新调整太长的桌子的高度以适合框架。这个scalebox选项对我来说是有效的，但之后桌子不再居中。我尝试移动\centering它，但没有改变任何东西。
\documentclass [10pt]{beamer}
\usetheme{Madrid}
\usecolortheme{default}
\usepackage{amsmath}
\usepackage{amsfonts}
\usepackage{amssymb}
\usepackage{ragged2e}
\usepackage{ctable}
\usepackage{setspace}
\usepackage{color, colortbl}
\begin{document}
\setbeamertemplate{caption}[numbered]{}%
\begin{frame}
\frametitle{Sample Characteristics}
\begin{center}
\begin{table} [!tbh]
\caption{Baseline Balance}
\centering
\tiny
\scalebox{0.5}{%
\begin{tabular}{l c c c}
\toprule
& \textbf{Control} & \textbf{Treatment} & \textbf{t-test Difference}\\
& \textbf{(N=754)} & \textbf{(N=771)} & \textbf{(1)-(2)}\\
\addlinespace[1ex]
\toprule
Female & 0.82 & 0.81 & 0.00\\& (0.01) & (0.01)\\
\midrule
Age & 35.59 & 36.37 & -0.78\\
& (0.46) & (0.54)\\
\midrule
Belongs to scheduled/backward & 0.47 & 0.45 & 0.02\\
caste or tribe & (0.02) & (0.02)\\
\midrule
Married & 0.81 & 0.85 & -0.05**\\
& (0.01) & (0.01)\\
\midrule
Hindu & 0.76 & 0.78 & -0.02\\
& (0.02) & (0.02)\\
\midrule
Household members & 5.01 & 4.97 & 0.04\\
& (0.08) & (0.09)\\
\midrule
Unemployed & 0.33 & 0.32 & 0.01\\
& (0.02) & (0.027)\\
\midrule
No education & 0.22 & 0.22 & 0.00\\
& (0.02) & (0.02) \\
\midrule
Completed primary education & 0.20 & 0.21 & 0.00\\
& (0.02) & (0.01) \\
\midrule
Completed secondary education & 0.36 & 0.39 & -0.03\\
& (0.02) & (0.02)\\
\midrule
Completed tertiary education & 0.21 & 0.19 & 0.02\\
& (0.02) & (0.01)\\
\midrule
Past-month income & 17968.91 & 13262.10 & 4706.80\\
& (3941.90) & (1754.74)\\
\midrule
Past-month savings & 7381.29 & 7933.16 & -551.87\\
& (1211.84) & (1168.38)\\
\midrule
Past-month temptation spending (INR) & 128.06 & 126.14 & 1.92\\
& (23.11) & (16.84) \\
\midrule
Temptation index & 1.47 & 1.44 & 0.03\\
& (0.03) & (0.02)\\
\midrule
Self-efficacy index & 6.12 & 6.15 & -0.03\\
& (0.09) & (0.09) \\
\midrule
Female empowerment index & 0.02 & -0.02 & 0.04\\
& (0.04) & (0.04)\\
\midrule
Outstanding debt & 8810.23 & 10651.75 & -1841.52\\
& (1994.31) & (2736.34)\\
\midrule
Past-month household expenditures & 5088.60 & 5491.69 & -403.09\\
(for selected goods) & (398.14) & (435.67)\\
\midrule
Resilience index & 0.27 & 0.28 & -0.01\\
& (0.02) & (0.02)\\
\bottomrule
\addlinespace[01ex]
F-test of joint significance (F-stat) & & & 0.765\\
\midrule
\addlinespace[1ex]
F-test, number of observations & & & 1525\\
\bottomrule
\addlinespace[0.5ex]
\end{tabular}
}
\end{table}
\end{center}
\end{frame}
\end{document}